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Salvia L. (Lamiaceae)

Salvia 15b Aloe Forest Reserve, Nieuwoudtville, Western Cape, South Africa 100910 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 15c Aloe Forest Reserve, Nieuwoudtville, Western Cape, South Africa 100910 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16c Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18g the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18h the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18i the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18j the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18k the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 2b Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 2c Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 2d Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 3b Yunnan 1107 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 5a Yunnan 1107 - Photo: Magnus Thorell (© 2014 Jan Thomas Johansson).

Salvia 5b Yunnan 1107 - Photo: Magnus Thorell (© 2014 Jan Thomas Johansson).

Salvia 5c Yunnan 1107 - Photo: Magnus Thorell (© 2014 Jan Thomas Johansson).

Salvia 6a Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 6c Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 6d Santa Barbara Botanic Garden, California 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 6e Santa Barbara Botanic Garden, California 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 6f Santa Barbara Botanic Garden, California 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 1 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 2 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 4 Lund Bot Garden 120907 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 5 Lund Bot Garden 120907 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 6 Lund Bot Garden 120907 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 7 Lund Bot Garden 120907 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 8 Lund Bot Garden 120907 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aegyptiaca 1 Puerto de Mogan, Gran Canaria 080416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aegyptiaca 2 Puerto de Mogan, Gran Canaria 080416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aegyptiaca 3 Puerto de Mogan, Gran Canaria 080416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aegyptiaca 4 Puerto de Mogan, Gran Canaria 080416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aegyptiaca 5 Puerto de Mogan, Gran Canaria 080416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 6 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 7 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 8 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 4 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 5 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 6 Caledon Nature Reserve, Western Cape, South Africa 100920 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 7 Caledon Nature Reserve, Western Cape, South Africa 100920 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 2 Cape of Good Hope, Western Cape, South Africa 100915 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 3 Cape of Good Hope, Western Cape, South Africa 100915 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 5 Cape of Good Hope, Western Cape, South Africa 100915 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 6 Cape Columbine, Western Cape, South Africa 011016 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 7 Harold Porter Bot Garden, South Africa 160926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia algeriensis 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia algeriensis 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia algeriensis 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia algeriensis 6 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 3 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 4 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 8 Whitewater Canyon, California 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 11 Lund Bot Garden 100701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 13 Lund Bot Garden 120615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 3 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 4 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 6 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 7 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 9 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 2 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 4 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 5 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 6 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 7 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 8 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 9 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia broussonetii 1 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia broussonetii 3 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia broussonetii 4 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 1 Barranco del Angustinos, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 2 Barranco del Angustinos, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 5 Barranco del Angustinos, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 6 Barranco del Angustinos, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 3 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 4 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 6 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carnea 1 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carnea 2 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carnea 3 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carnea 4 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carnea 5 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf aegyptiaca 2 De Hoop, South Africa 160930 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf austriaca 1 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf austriaca 2 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf austriaca 3 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf austriaca 4 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf leucophylla 4 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf leucophylla 5 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf scrophulariifolia 1 Malmö Sk 200919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf scrophulariifolia 2 Malmö Sk 200919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf scrophulariifolia 3 Malmö Sk 200919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf scrophulariifolia 4 Malmö Sk 200919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf scrophulariifolia 5 Malmö Sk 200919 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 10 (cult) La Brea Tar Pits, Los Angeles, CA 130429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 17 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 18 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 19 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 20 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 22 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 3 Torrey Pines, San Diego, CA 130418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 4 Torrey Pines, San Diego, CA 130418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 5 Torrey Pines, San Diego, CA 130418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 6 Torrey Pines, San Diego, CA 130418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 7 (cult) La Brea Tar Pits, Los Angeles, CA 130429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 8 (cult) La Brea Tar Pits, Los Angeles, CA 130429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 9 (cult) La Brea Tar Pits, Los Angeles, CA 130429 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 3 (cult) Lund Sk 100701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 4 (cult) Lund Sk 100701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 5 (cult) Lund Sk 100624 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 6 (cult) Lund Sk 100624 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coccinea 'coral nymph' 2 (cult) Lund Sk 160802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coccinea 'coral nymph' 3 (cult) Lund Sk 160802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coccinea 'coral nymph' 4 (cult) Lund Sk 160802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 11 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 14 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 15 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 16 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 17 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 18 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 2 Joshua Tree National Park, CA 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 4 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 5 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 8 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 9 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia dichroantha 2 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia digitaloides 3 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 3 Lund Bot Garden 130825 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 7 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 10 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 3 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 4 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 6 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 7 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 8 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 9 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 11 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 12 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 3 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 4 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 8 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 11 above Mölle, Brunnby, Skåne 990723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 2 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 3 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 4 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 5 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 8 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 10 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 11 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 13 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 14 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 2 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 5 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 6 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 7 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 9 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 2 Lund Bot Garden 070727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 3 Lund Bot Garden 120908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 4 Lund Bot Garden 120908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 5 Lund Bot Garden 120908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 7 Lund Bot Garden 070727 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 2 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 3 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 4 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 5 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 6 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 7 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hians 1 (cult) Brunnby Sk 080815 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hians 2 (cult) Brunnby Sk 080815 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hians 3 (cult) Brunnby Sk 080815 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 8 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 9 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia horminum 4 Alanya, Turkey 090411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia interrupta 1 Copenhagen Bot Garden 100421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia interrupta 2 Copenhagen Bot Garden 100421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia interrupta 3 Copenhagen Bot Garden 100421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia interrupta 4 Copenhagen Bot Garden 100421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia jurisicii 3 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 1 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 2 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 3 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 4 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 5 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 6 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 7 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 8 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia lanceolata 9 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 1 Rancho Santa Ana Botanic Garden, Los Angeles 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 2 Rancho Santa Ana Botanic Garden, Los Angeles 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 3 Rancho Santa Ana Botanic Garden, Los Angeles 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 5 Rancho Santa Ana Botanic Garden, Los Angeles 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 6 Rancho Santa Ana Botanic Garden, Los Angeles 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 7 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 15 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 16 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 17 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 18 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 20 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 4 Oak Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 5 Oak Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 9 Santa Margarita River, California 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 1 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 4 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 5 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 6 E of Buttle, Gotland 910801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 6 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 7 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 1 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 10 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 2 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 3 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 4 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 6 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 7 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 8 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 9 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 1 (cult) Las Tricias, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 7 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 8 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 9 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 1 W of Kåtorp, Torslunda, Öland 940628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 10 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 16 Kåtorp, Torslunda, Öland 150607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 6 E of Kåtorp, Torslunda, Öland 080614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 7 W of Kåtorp, Torslunda, Öland 940628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 9 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 11 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 12 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 6 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 8 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 10 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 11 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 12 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 6 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 9 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia ringens 1 near Lake Mikri Prespa, N Greece 180629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia ringens 2 near Lake Mikri Prespa, N Greece 180629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 1 Cabo Formentor, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 10 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 11 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 4 Cabo Formentor, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 8 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 9 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 13 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 17 Monis Gorgianis near old road to Grevena, N Greece 180628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 4 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 5 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 6 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 7 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 8 Copenhagen Bot Garden 130913 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sonomensis 4 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sonomensis 5 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sonomensis 6 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 4 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 5 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 8 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia splendens 4 Lund Bot Garden 120927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 10 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 11 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 12 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 13 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 14 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 16 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 4 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 5 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 6 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 9 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia transsylvanica 3 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 12 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 13 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 4 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 7 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 8 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata 2 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata 6 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp amasiaca 5 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp amasiaca 6 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 1 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 14 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 15 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 7 S of Klintehamn, Gotland 910726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 11 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 12 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 13 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 14 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 3 Agia Galini, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 6 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 15a Aloe Forest Reserve, Nieuwoudtville, Western Cape, South Africa 100910 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16a Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16b Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16d Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16e Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16f Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 16g Göteborg Bot Garden 120628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18a Vashlovani Nat. Park, Georgia 170424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18b Vashlovani Nat. Park, Georgia 170424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18c Vashlovani Nat. Park, Georgia 170424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18d the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18e the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 18f the Vedi valley, Armenia 180511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 1a Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 1b Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 2a Shika, Yunnan 110712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 3a Yunnan 1107 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia 4a Yunnan 1107 - Photo: (© 2014 Jan Thomas Johansson).

Salvia 4b Yunnan 1107 - Photo: (© 2014 Jan Thomas Johansson).

Salvia 6b Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia abrotanoides 3 Lund Bot Garden 120907 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 1 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 2 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 3 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 4 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia aethiopis 5 (Briancon FR) cult. Lund Sk 180611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 1 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 2 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 3 S of Clanwilliam, Western Cape, South Africa 100912 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 8 Middelberg Pass, Western Cape, South Africa 011019 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-caerulea 9 Middelberg Pass, Western Cape, South Africa 011019 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 1 Slangkop, Cape Peninsula, Western Cape, South Africa 100915 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia africana-lutea 4 Cape of Good Hope, Western Cape, South Africa 100915 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia algeriensis 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia algeriensis 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 1 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 2 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 5 Whitewater Canyon, California 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 6 Whitewater Canyon, California 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 7 Whitewater Canyon, California 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia apiana 9 Whitewater Canyon, California 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 1 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 10 Lund Bot Garden 100701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 12 Lund Bot Garden 100701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 14 Lund Bot Garden 120615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 15 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 16 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 17 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 18 Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 2 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 5 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia argentea 8 Ipsilou, Lesvos, Greece 130507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 1 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia austriaca 3 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia broussonetii 2 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 3 Barranco del Angustinos, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 4 Barranco del Angustinos, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 7 San Bartolome de Tirajana, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 8 (cult) Tijarafe, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia canariensis 9 (cult) Tijarafe, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 1 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 2 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 5 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carduacea 7 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia carnea 6 Cerro de la Muerte, Costa Rica 231211 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf aegyptiaca 1 De Hoop, South Africa 160930 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf cryptantha 1 Zedeà, Armenia 180510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf cryptantha 2 Zedeà, Armenia 180510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf cryptantha 3 Zedeà, Armenia 180510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf cryptantha 4 Zedeà, Armenia 180510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf cryptantha 5 Zedeà, Armenia 180510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf leucophylla 1 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf leucophylla 2 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf leucophylla 3 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf roborowskii 1 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf roborowskii 2 Baimashan, Yunnan 110710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf viridis 1 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia cf viridis 2 E of Dedoplistskaro, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 1 Torrey Pines, San Diego, CA 130418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 11 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 12 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 13 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 14 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 15 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 16 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 2 Torrey Pines, San Diego, CA 130418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 21 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia clevelandii 23 (cult) Tucson, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 1 (cult) Lund Sk 100624 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 2 (cult) Lund Sk 100624 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coahuilensis 7 (cult) Lund Sk 100624 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coccinea 'coral nymph' 1 (cult) Lund Sk 160802 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia coccinea Bergianska, Stockholm 041005 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 1 Joshua Tree National Park, CA 130416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 10 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 12 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 13 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 3 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 6 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia columbariae 7 Santa Margarita River, CA 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia dichroantha 1 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia digitaloides 1 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia digitaloides 2 near Lijiang, Yunnan 110707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 1 Lund Bot Garden 130825 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 2 Lund Bot Garden 130825 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 4 Lund Bot Garden 130825 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 5 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia farinacea 6 Desert Botanical Garden, Phoenix, Arizona 130426 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 1 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 2 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia forskaohlei 5 (cult) Malmö Sk 160630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 1 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 10 Bergianska 070221 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 13 Bergianska 150527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 2 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 5 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 6 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 7 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia fruticosa 9 Bergianska 070221 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 1 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 10 above Mölle, Brunnby, Skåne 990723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 6 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 7 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia glutinosa 9 above Mölle, Brunnby, Skåne 990723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 1 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 12 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 3 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 4 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia granatensis 8 Cantarriján beach near Málaga, Andalucía Spain 220410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 1 Lund Bot Garden 090819 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia greggii 6 Lund Bot Garden 120908 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia guaranitica 1 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 6 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia hispanica 7 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia horminum 1 NE of Gazi Pasa, Turkey 090408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia horminum 2 NE of Gazi Pasa, Turkey 090408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia horminum 3 Alanya, Turkey 090411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia jurisicii 1 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia jurisicii 2 Lund Bot Garden 140721 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia leucophylla 4 Rancho Santa Ana Botanic Garden, Los Angeles 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 1 Oak Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 10 Santa Margarita River, California 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 11 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 12 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 13 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 14 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 19 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 2 Oak Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 21 Rancho Santa Ana Botanic Garden, California 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 3 Oak Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 6 Oak Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 7 Santa Margarita River, California 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia mellifera 8 Santa Margarita River, California 130415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 2 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 3 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa 7 E of Buttle, Gotland 910801 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa x pratensis (Salvia x sylvestris) 1 1 km N of Fröjel, Gotland 980726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa x pratensis (Salvia x sylvestris) 2 1 km N of Fröjel, Gotland 980726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nemorosa x pratensis (Salvia x sylvestris) 3 1 km N of Fröjel, Gotland 980726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nilotica 8 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia nutans 5 Körös-Maros Nat Park, Hungary 240510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 10 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 11 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 12 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 13 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 2 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 3 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 4 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 5 Lund Bot Garden 100701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia officinalis 6 Lund Bot Garden 130619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pomifera Kokkarion, Samos, Greece 920507 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 11 Kåtorp, Torslunda, Öland 150607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 12 Kåtorp, Torslunda, Öland 150607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 13 Kåtorp, Torslunda, Öland 150607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 14 Kåtorp, Torslunda, Öland 150607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 15 Kåtorp, Torslunda, Öland 150607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 2 W of Kåtorp, Torslunda, Öland 940628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 3 W of Kåtorp, Torslunda, Öland 940628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 4 W of Kåtorp, Torslunda, Öland 940628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 5 E of Kåtorp, Torslunda, Öland 080614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia pratensis 8 Valea Morii, Romania 090617 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 1 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 10 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 2 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 3 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 4 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 5 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 7 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia przewalskii 9 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 7 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia reflexa 8 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 2 Cabo Formentor, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 3 Cabo Formentor, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 5 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 6 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia rosmarinus 7 Monda Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 1 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 10 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 11 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 12 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 14 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 15 Monis Gorgianis near old road to Grevena, N Greece 180628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 16 Monis Gorgianis near old road to Grevena, N Greece 180628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 2 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 3 SW of Dadia, Thracia, Greece 060607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sclarea 9 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sonomensis 1 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sonomensis 2 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia sonomensis 3 Santa Barbara Botanic Garden, CA 130411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 1 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 2 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 3 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 6 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 7 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia spathacea 9 Rancho Santa Ana Botanic Garden, CA 130406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia splendens 1 Lund Bot Garden 120927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia splendens 2 Lund Bot Garden 120927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia splendens 3 Lund Bot Garden 120927 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 1 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 15 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 2 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 3 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 7 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia tomentosa 8 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia transsylvanica 1 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia transsylvanica 2 Lund Bot Garden 120918 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia transsylvanica 4 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia transsylvanica 5 Suatu, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 1 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 10 NW of Alanya, Turkey 090409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 11 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 2 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 3 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 5 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 6 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verbenaca 9 NW of Alanya, Turkey 090409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata 1 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata 3 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata 4 Copenhagen Bot Garden 160713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp amasiaca 1 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp amasiaca 2 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp amasiaca 3 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp amasiaca 4 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 10 N of Fårarp, Högestad, Skåne 930807 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 11 W of Kungsmarken, Södra Sandby, Skåne 840824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 12 W of Kungsmarken, Södra Sandby, Skåne 840824 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 13 Copenhagen Bot Garden 130625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 2 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 3 Turda, Romania 090614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 4 Botiza, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 5 Botiza, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 6 Botiza, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 8 S of Klintehamn, Gotland 910726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia verticillata ssp verticillata 9 N of Fårarp, Högestad, Skåne 930807 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 1 Agia Galini, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 10 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 2 Agia Galini, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 4 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 5 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 7 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 8 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Salvia viridis 9 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).