Ten Gentiana species compared through flowers, colours and plant forms. Exact photographs in an editorial sequence, not a scientific ranking. Individual photographs retain the source licences listed in attribution. Original editorial video contributions licensed CC BY-SA 4.0. Photograph credits: 1. File:Gentiana acaulis Goryczka 2016-05-02 03.jpg; Agnieszka Kwiecień, Nova; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Gentiana_acaulis_Goryczka_2016-05-02_03.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 2. File:Gentiana lutea 090705.jpg; Bernd Haynold; CC BY-SA 2.5; https://creativecommons.org/licenses/by-sa/2.5; https://commons.wikimedia.org/wiki/File:Gentiana_lutea_090705.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 3. File:Gentiana verna (1).JPG; Philipp Weigell; CC BY 3.0; https://creativecommons.org/licenses/by/3.0; https://commons.wikimedia.org/wiki/File:Gentiana_verna_(1).JPG; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 4. File:Gentiana clusii02.jpg; Tigerente; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Gentiana_clusii02.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 5. File:Gentiana asclepiadea 2 BOGA.jpg; MurielBendel; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Gentiana_asclepiadea_2_BOGA.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 6. File:Gentiana pneumonanthe 130805a.jpg; Bernd Haynold; CC BY-SA 2.5; https://creativecommons.org/licenses/by-sa/2.5; https://commons.wikimedia.org/wiki/File:Gentiana_pneumonanthe_130805a.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 7. File:Gentiana purpurea Swiss.jpg; Audrius Meskauskas ( Audriusa ); CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Gentiana_purpurea_Swiss.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 8. File:Gentiana punctata02.jpg; Meneerke bloem; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Gentiana_punctata02.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 9. File:Gentiana septemfida 2015-07-15 4772.jpg; Salicyna; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Gentiana_septemfida_2015-07-15_4772.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added. 10. File:Gentiana scabra2.jpg; Olbertz (German Wikipedia; original own-work uploader); CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Gentiana_scabra2.jpg; Portrait photos fitted; landscape photos centrally cropped to portrait image panel. Editorial title panels added.