*Ludwigia grandiflora (Michaux) Greuter & Burdet. Section: Jussiaea. Common name: Showy Water-primrose. Phenology: May-Sep. Habitat: Ponds, lakes, sluggish waters of ditches or streams. Distribution: Se. SC south to FL, west to TX; disjunct in MO, Guatemala, and in s. South America.
Origin/Endemic status: South America
Taxonomy Comments: This taxon is hexaploid (n= 24). See Zardini, Gu, and Raven (1991) and Nesom & Kartesz (2000) for additional information.
Synonymy ⓘ: = FNA10, Meso4.1, Mo3, WI, Wagner, Hoch, & Raven (2007), Zardini, Gu, & Raven (1991); = Jussiaea michauxiana Fernald — F; = Ludwigia grandiflora (Michx.) Greuter & Burdet ssp. grandiflora — K4, Nesom & Kartesz (2000); = Ludwigia grandiflora (Michx.) Greuter & Burdet var. grandiflora — Ward (2012a); < Ludwigia grandiflora (Michx.) Greuter & Burdet — Fl4, WH3; < Ludwigia uruguayensis (Cambess.) Hara — C, GW2, RAB, Tx; Jussiaea grandiflora Michaux. Basionym: Jussiaea grandiflora Michx. 1803
Links to other floras: = Ludwigia grandiflora - FNA10
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
- Great Plains: OBL (taxonomic split from wetland indicator species)
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
Heliophily ⓘ: 8
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