Ten Aristolochia species compared through exact Wikimedia Commons photographs of flowers and forms. An editorial selection of flower forms, 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:Azille - Aristolochia clematitis 02.jpg; Tylwyth Eldar; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAzille_-_Aristolochia_clematitis_02.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Aristolochia rotunda.jpg; User:Haplochromis; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3AAristolochia_rotunda.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Aristoloquia (Aristolochia baetica) en Málaga.jpg; Daniel Capilla; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAristoloquia_%28Aristolochia_baetica%29_en_M%C3%A1laga.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:PikiWiki Israel 3635 Aristolochia Sempervirens.jpg; שרה גולד; CC BY 2.5; https://creativecommons.org/licenses/by/2.5; https://commons.wikimedia.org/wiki/File%3APikiWiki_Israel_3635_Aristolochia_Sempervirens.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Pelican Flower (49661386467).jpg; Charlie Jackson; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File%3APelican_Flower_%2849661386467%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Aristolochia gigantea-IMG 5523.jpg; C T Johansson; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAristolochia_gigantea-IMG_5523.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Calicoflower-front-Honolulu.JPG; Joel Bradshaw; Public domain; ; https://commons.wikimedia.org/wiki/File%3ACalicoflower-front-Honolulu.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Aristolochia sp.jpg; No machine-readable author provided. Shyamal assumed (based on copyright claims).; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3AAristolochia_sp.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:Aristolochia labiata.jpg; No machine-readable author provided. Juanmak~commonswiki assumed (based on copyright claims).; Public domain; ; https://commons.wikimedia.org/wiki/File%3AAristolochia_labiata.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Aristolochia californica (16325126423).jpg; peganum from Small Dole, England; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File%3AAristolochia_californica_%2816325126423%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.