Ludwigia alata Elliott. Section: Isnardia. Winged Seedbox. Phen: Jun-Oct. Hab: Interdune ponds, freshwater to slightly brackish (oligohaline) marshes, cypress swamps. Dist: Se. VA south to s. FL, west to se. LA; disjunct in Jamaica, where apparently introduced.
Origin/Endemic status: Endemic
Taxonomy Comments: This species is a hexaploid (n = 24). One third of the genome of L. alata is apparently derived from L. microcarpa or its ancestor (Peng 1988).
Synonymy: = C, F, Fl4, FNA10, G, K1, K3, K4, RAB, Va, WH3, WI, Peng (1989), Wagner, Hoch, & Raven (2007); < Ludwigia alata Elliott – GW2; > Ludwigia alata Elliott – S, S13; > Ludwigia simulata Small – S, S13
Wetland Indicator Status:
Heliophily: 9
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