Ten Echium species compared through exact Wikimedia Commons photographs of flowers and flowering spikes. An editorial selection, not a scientific ranking. Original video contributions: CC BY-SA 4.0. Individual photographs retain the licences and credits listed in attribution; public-domain and CC0 photographs remain so. Photograph credits: 1. File:Echium vulgare L.jpg; Kasjanek24; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AEchium_vulgare_L.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Echium April 2010-2.jpg; Alvesgaspar; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AEchium_April_2010-2.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Echium candicans1311.jpg; No machine-readable author provided. Velela assumed (based on copyright claims).; CC BY-SA 2.5; https://creativecommons.org/licenses/by-sa/2.5; https://commons.wikimedia.org/wiki/File%3AEchium_candicans1311.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:Echium wildpretii LC0204.jpg; Jörg Hempel; CC BY-SA 3.0 de; https://creativecommons.org/licenses/by-sa/3.0/de/deed.en; https://commons.wikimedia.org/wiki/File%3AEchium_wildpretii_LC0204.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Echium pininana at Coleton Fishacre - geograph.org.uk - 811155.jpg; Derek Harper; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File%3AEchium_pininana_at_Coleton_Fishacre_-_geograph.org.uk_-_811155.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Echium simplex LC0213.jpg; Jörg Hempel; CC BY-SA 3.0 de; https://creativecommons.org/licenses/by-sa/3.0/de/deed.en; https://commons.wikimedia.org/wiki/File%3AEchium_simplex_LC0213.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Echium sabulicola Closeup2 12July2009 LagunadelaMata.jpg; Javier martin; Public domain; ; https://commons.wikimedia.org/wiki/File%3AEchium_sabulicola_Closeup2_12July2009_LagunadelaMata.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Echium italicum 0008.JPG; tato grasso; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AEchium_italicum_0008.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:Echium creticum 002.JPG; Johan N; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AEchium_creticum_002.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Echium virescens0.jpg; No machine-readable author provided. Javier martin assumed (based on copyright claims).; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3AEchium_virescens0.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.