Ludwigia hexapetala (Hook. & Arn.) Zardini, H.Y.Gu & P.H.Raven, 1991
🇫🇷 Ludwigie à six pétales
Taxonomy
- Kingdom: Plantae
- Clade: Tracheophytes
- Clade: Angiosperms
- Clade: Eudicots
- Clade: Superrosids
- Clade: Rosids
- Clade: Malvids
- Order: Myrtales
- Family: Onagraceae
- Subfamily: Ludwigioideae
- Genus: Ludwigia
- Species: Ludwigia hexapetala
Presence
Introduced invasive.
Conservation status
- Red List (Metropolitan France): NA Not Applicable
Notes
Invasive species whose possession and transport are strictly prohibited in Metropolitan France. Decaploid (2n = 80).
Sometimes treated as a subspecies of L. grandiflora (Michx.) Greuter & Burdet, 1987, under the name L. grandiflora subsp. hexapetala (Hook. & Arn.) G.L.Nesom & Kartesz, 2000. Separation of the taxa is based on ploidy level, L. grandiflora being hexaploid (2n = 48).
Photographs

Sources
Barloy, D., Portillo-Lemus, L., Krueger-Hadfield, S., Huteau, V., & Coriton, O. Genomic relationships among diploid and polyploid species of the genus Ludwigia L. section Jussiaea using a combination of molecular cytogenetic, morphological, and crossing investigations. Peer Community Journal, 4(2024). https://doi.org/10.24072/pcjournal.364
UICN Comité français & OFB. (2024). Ludwigia grandiflora. Centre de ressources espèces exotiques envahissantes. https://base-information-especes-introduites.fr/espece/ludwigia-grandiflora/
Tison, J.M., & de Foucault, B. (2014). Flora Gallica : Flore de France (p. 846). Biotope.