Echium acanthocarpum 2 Monte de Agando, La Gomera 060424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium acanthocarpum 3 Monte de Agando, La Gomera 060424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 1 Teno, Tenerife 970317 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 3 Tamaima, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 4 Tamaima, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 5 Tamaima, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 6 Tamaima, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 7 Tamaima, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium aculeatum 8 Tamaima, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 1 Mesa de Villaverde, Andalucía Spain 220411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 3 Mesa de Villaverde, Andalucía Spain 220411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 8 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

Echium angustifolium 3 Amopi, Karpathos, Greece 040517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium arenarium 2 Plakias, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium arenarium 3 Plakias, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium bonnetii 1, Guaza, Tenerife 060412 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium bonnetii 2, Guaza, Tenerife 060412 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame 2 S to Roque Teneguia, La Palma 090425 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium brevirame 5 El Faro de Fuencaliente 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame 6 El Faro de Fuencaliente 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame x webbii 1 nära El Charco, La Palma 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame x webbii 2 nära El Charco, La Palma 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium cf parviflorum 1 Aghios Stefanos W Petra, Lesbos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium cf parviflorum 2 Aghios Stefanos W Petra, Lesbos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium cf sabulicola 1 Bolonia, Andalusia Sp 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium cf sabulicola 2 Bolonia, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium decaisnei 7 Guanco-museet i Barranco de Fataga, Gran Canaria 080406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 3 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 4 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 5 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 6 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 7 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 8 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium gentianoides 1 La Caldera, Pico de los Nieves, La Palma 090512 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium gentianoides 2 La Caldera, Pico de los Nieves, La Palma 090512 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium gentianoides 3 La Caldera, Pico de los Nieves, La Palma 090512 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium giganteum 1 Playa de San Marcos, Tenerife 940310 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 12 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 13 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 14 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 15 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 16 Barr. de las Cuevas Negras, Tenerife 160409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 3 Puerto Cruz 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 4 Puerto Cruz 090517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 5 Miradór de San Pedro, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

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

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

Echium onosmifolium 1 W La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium parviflorum 3 Imbros, Crete 110328 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium parviflorum 4 Imbros, Crete 110328 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium pininana 1 N Mirador de la Baranda, La Palma 090513 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 3 road 111 in N, La Palma 090516 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium plantagineum 2 La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum (cult) 3 Olsson's Garden, Brunnby Sk 130615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium sabulicola 1 Ma Soller Jardin Bot 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium sabulicola 2 Ma Soller Jardin Bot 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium sabulicola 3 Ma Soller Jardin Bot 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium sabulicola 4 Ma Soller Jardin Bot 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium simplex 4 (cult) Tijarafe, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 1 Chio, Tenerife 940309 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 6 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 7 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 8 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium vulgare 3 Haväng, Ravlunda, Sk 120609 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium vulgare 5 Kåseberga, Valleberga, Sk 080531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium vulgare 6 Everöd, Skåne 970629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium webbii 1 La Cumbrecita, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp trichosiphon 1 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp trichosiphon 5 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp wildpretii 4 Teide, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Echium aculeatum 2 Punta de Teno, Tenerife 940307 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 2 Mesa de Villaverde, Andalucía Spain 220411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 4 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 5 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 6 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium albicans 7 Sierra de Mijas, Andalucía Spain 220414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium arenarium 1 Plakias, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium auberianum 1 (cult) Visitor's Centre, Las Cañadas, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium auberianum 2 (cult) Visitor's Centre, Las Cañadas, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium auberianum 3 (cult) Visitor's Centre, Las Cañadas, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame 1 Santa Cruz de La Palma 070415 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame 3 El Faro de Fuencaliente 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame 4 N Santa Cruz, La Palma 090511 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium brevirame x webbii 3 nära El Charco, La Palma 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium brevirame x webbii 4 nära El Charco, La Palma 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium callithyrsum 1 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium callithyrsum 2 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium callithyrsum 3 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium callithyrsum 4 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium candicans (cult) 1 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium candicans (cult) 2 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium candicans (cult) 3 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium candicans (cult) 4 Gibraltar GB 120321 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium cf virescens Arafo, Anaga, Tenerife 940311 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium decaisnei 1 Maspalomas, Gran Canaria 080408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium decaisnei 2 Cercados de Espinos, Gran Canaria 080411 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Echium decaisnei 4 Guancho-museet i Barranco de Fataga, Gran Canaria 080418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium decaisnei 5 Maspalomas, Gran Canaria 080408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium decaisnei 6 Maspalomas, Gran Canaria 080408 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium fastuosum 1 Bergianska 060514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium fastuosum 2 Bergianska 060514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 1 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium flavum 2 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium gentianoides 4 La Caldera, Pico de los Nieves, La Palma 090512 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium gentianoides 5 Centro de Visitantes del Parque Nacional, La Palma 070416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

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

Echium gentianoides 7 La Caldera, Pico de los Nieves, La Palma 090512 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

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

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

Echium giganteum 2 Playa de San Marcos, Tenerife 940310 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium giganteum 6 Miradór de San Pedro, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium italicum 1 ESE Filia, Lesbos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium italicum 2 ESE Filia, Lesbos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium italicum 3 ESE Filia, Lesbos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium italicum 4 Dadia, Thracia, Greece 060604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium leucophaeum 1 Anaga, Tenerife 940308 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium leucophaeum 2 Anaga, Tenerife 940308 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium onosmifolium 2 W La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium onosmifolium 3 W La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium onosmifolium 4 W La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium onosmifolium 5 W La Plata, Gran Canaria 080414 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium parviflorum 1 Imbros, Crete 110328 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium parviflorum 2 Imbros, Crete 110328 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium pininana 2 N Mirador de la Baranda, La Palma 090513 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 4 road 111 in N, La Palma 090516 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 5 road 111 in N, La Palma 090516 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 6 road 111 in N, La Palma 090516 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 7 N Mirador de la Baranda, La Palma 090513 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 8 Los Tilos from Casa del Monte, La Palma 090509 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium pininana 9 N Mirador de la Baranda, La Palma 090513 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium plantagineum 1 La Palma 070421 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium plantagineum 3 Munka-Ljungby, Skåne 990710 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum (cult) 1 Olsson's Garden, Brunnby Sk 130615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum (cult) 2 Olsson's Garden, Brunnby Sk 130615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 10 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 11 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 12 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 13 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 4 Bergianska, Stockholm 050621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 4 Lund Bot Garden 160605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 5 Lund Bot Garden 150818 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 5 Lund Bot Garden 160605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 6 Lund Bot Garden 150818 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 6 Lund Bot Garden 160605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 7 Lund Bot Garden 150818 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 7 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 8 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium russicum 9 Mátraalja, Verpelét, Hungary 240512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium simplex 1 (cult) Tijarafe, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium simplex 2 (cult) Tijarafe, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium simplex 3 (cult) Tijarafe, La Palma 070420 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium simplex 5 (cult) Miradór de Don Martín, Güímar, Tenerife 160405 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium simplex 6 (cult) Miradór de Don Martín, Güímar, Tenerife 160405 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 1 Güimar, Tenerife 940311 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 2 Punta de Teno, Tenerife 940307 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 3 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 4 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 5 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 6 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum 7 Teno, Tenerife 160404 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum x virescens 1 Barranco del Infierno, Tenerife 970322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium strictum x virescens 2 Barranco del Infierno, Tenerife 970322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium triste 1 Barranco de Argaga, Valle Gran Rey, La Gomera 060423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium triste 2 Barranco de Argaga, Valle Gran Rey, La Gomera 060423 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 2 Chio, Tenerife 940309 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 3 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 4 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 5 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium virescens 9 Chio, Tenerife 160406 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium vulgare 1 Kåseberga, Valleberga, Sk 080531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium vulgare 2 Haväng, Ravlunda, Sk 120609 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium vulgare 4 Haväng, Ravlunda, Sk 120609 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium webbii 2 La Cumbrecita, La Palma 070418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium webbii 3 Laguna de Barlovento, La Palma 070417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium webbii 4 Laguna de Barlovento, La Palma 070417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium webbii 5 Laguna de Barlovento, La Palma 070417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium webbii 6 Laguna de Barlovento, La Palma 070417 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp trichosiphon 2 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp trichosiphon 3 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp trichosiphon 4 La Caldera in the N, La Palma 090517 - Photo: Richard Åkesson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp wildpretii 1 Teide, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp wildpretii 2 Teide, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp wildpretii 3 Teide, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Echium wildpretii ssp wildpretii 5 Teide, Tenerife 090516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).