Sideritis 1d Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Sideritis brevicaulis 10 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis brevicaulis 11 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis brevicaulis 12 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Sideritis brevicaulis 9 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 10 Area Recreativa de la Pared Vieja, La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 11 Area Recreativa de la Pared Vieja, La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 12 Area Recreativa de la Pared Vieja, La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 2 La Caldera, Hoya Verde, La Palma 090514 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 3 La Caldera, Hoya Verde, La Palma 090514 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 5 Pista de los Lomos, La Palma 090427 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 9 Area Recreativa de la Pared Vieja, La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cf romana 1 Albufera, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cf romana 2 Albufera, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cf romana 3 Albufera, Mallorca 110420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

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

Sideritis cretica 8 Bergianska, Stockholm 131128 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 10 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 11 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 6 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 9 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

Sideritis dasygnaphala 5 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dasygnaphala 6 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dasygnaphala 7 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dasygnaphala 8 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 10 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 2 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 4 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 5 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 6 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 7 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 8 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 9 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis ferrensis 3 Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 2 road TF119, La Gomera 060419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 3 Bergianska, Stockholm 020425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 6 Lund Bot Garden 220616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 7 Lund Bot Garden 220616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 1 Balsá, El Planerón, Belchite, Spain 180522 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 2 Balsá, El Planerón, Belchite, Spain 180522 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 4 Balsá, El Planerón, Belchite, Spain 180522 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 5 near Arrés, N Spain 180526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 6 near Arrés, N Spain 180526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 7 near Arrés, N Spain 180526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 8 near Arrés, N Spain 180526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 9 near Arrés, N Spain 180526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Sideritis hyssopifolia 11 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hyssopifolia 12 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Sideritis hyssopifolia 9 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 10 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 5 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 6 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 9 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis lanata 2 above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis lanata 3 above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis lotsyi 2 Mirador de El Bailadero, La Gomera 060419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 10 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 11 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 12 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 2 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 3 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 6 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 7 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 4 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 5 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis romana 1 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis romana 2 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis romana 3 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis romana 4 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis romana 5 Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis scardica 2 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis syriaca 10 (cult) Brunnby Sk 140717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis syriaca 11 (cult) Brunnby Sk 140717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis syriaca 12 (cult) Brunnby Sk 140717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis syriaca 13 (cult) Brunnby Sk 140717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Sideritis syriaca 9 (cult) Brunnby Sk 140717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis 1a Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis 1b Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis 1c Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis 2a N of Barrio de San Andrès, Tenerife 940312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis 2b N of Barrio de San Andrès, Tenerife 940312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis 2c N of Barrio de San Andrès, Tenerife 940312 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Sideritis brevicaulis 5 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis brevicaulis 6 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis brevicaulis 7 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis brevicaulis 8 Barr. de Masca, Tenerife 160408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 1 S of Roque Teneguia, La Palma 090425 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 4 Pista de los Lomos, La Palma 090427 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 6 Pista de los Lomos, La Palma 090427 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 7 Area Recreativa de la Pared Vieja, La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis canariensis 8 Area Recreativa de la Pared Vieja, La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cf lotsyi Monte de Agando, La Gomera 060424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cf oroteneriffae 1 above Vilaflor, Tenerife 060414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis clandestina 1 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis clandestina 2 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis clandestina 3 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis clandestina 4 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis clandestina 5 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica 10 Teno, Tenerife 970317 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Sideritis cretica 9 Teno, Tenerife 970317 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 1 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 2 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 3 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 4 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 5 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 7 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis cretica ssp cretica 8 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Sideritis dasygnaphala 1 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dasygnaphala 2 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dasygnaphala 3 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dasygnaphala 4 W of La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 1 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis dendrochahorra 3 La Cumbrilla, Tenerife 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis ferrensis 1 Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis ferrensis 2 Jardín Botanico, Gran Canaria 080417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 1 road TF119, La Gomera 060419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 4 Lund Bot Garden 220616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp gomerae 5 Lund Bot Garden 220616 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp perezii 1 Las Toscas, La Gomera 060421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis gomerae ssp perezii 2 Las Toscas, La Gomera 060421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hirsuta 3 Balsá, El Planerón, Belchite, Spain 180522 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hyssopifolia 10 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

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

Sideritis hyssopifolia 7 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis hyssopifolia 8 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 1 Barranco del Infierno, Tenerife 060415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 11 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 2 Barranco del Infierno, Tenerife 970322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 3 Barranco del Infierno, Tenerife 970322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 4 Barranco del Infierno, Tenerife 970322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 7 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis infernalis 8 Barr. del Infierno, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis lanata 1 SE of Kerke, Samos, Greece 920506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis lotsyi 1 Mirador de El Bailadero, La Gomera 060419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis lotsyi 3 Chorros de Epina, La Gomera 060420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 1 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 13 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 14 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 15 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 16 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 17 Pico del Ingles, Anaga, Tenerife 160407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 4 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 5 El Bailadero, Tenerife 090514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 8 Anaga, Tenerife 940308 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis macrostachys 9 Anaga, Tenerife 940308 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 1 N of Gerakini, Greece 050525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 2 N of Gerakini, Greece 050525 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 3 Copenhagen Bot Garden 150812 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 6 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 7 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 8 Monis Gorgianis near old road to Grevena, N Greece 180628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis montana 9 Monis Gorgianis near old road to Grevena, N Greece 180628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis nutans 1 La Palmita Bot Garden, La Gomera 060422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis nutans 2 La Palmita Bot Garden, La Gomera 060422 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis scardica 1 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis scordioides 1 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis scordioides 2 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis scordioides 3 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis scordioides 4 Copenhagen Bot Garden 150626 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Sideritis syriaca 3 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis syriaca 4 Copenhagen Bot Garden 120926 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Sideritis syriaca 7 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Sideritis syriaca 8 Copenhagen Bot Garden 080710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).