Pentalinon luteum (Linnaeus) B.F. Hansen & Wunderlin. Common name: Wild Allamanda, Hammock Viper's-tail. Phenology: Mar-Jun. Habitat: Mangrove swamps, tropical hammocks. Distribution: S. FL; West Indies; Honduras; Colombia.

Origin/Endemic status: Native

Taxonomy Comments: Small (1933) and Ward (2001) recognized two taxonomic entities in FL at specific and varietal rank, respectively (see synonymy). Woodson (1936) treated Pentalinon luteum (as Urechites lutea) very broadly, calling it "an extremely variable species" and "very unstable", and warning that "although segregation may appear an attractive solution of the vexatious variability, a wide selection of specimens, such as that which has been available for these studies, should prove an effective deterrent." Nonetheless, entities worthy of taxonomic recognition may be present.

Synonymy ⓘ: = Fl5, FNA14, K4, Meso4.1, WH3, WI, Hansen & Wunderlin (1986); = Urechites lutea (L.) Britton — Bah, GW2, Woodson (1936a); > Pentalinon luteum (L.) B.F.Hansen & Wunderlin var. luteum — Ward (2001); > Pentalinon luteum (L.) B.F.Hansen & Wunderlin var. sericeum (R.W.Long) D.B.Ward — Ward (2001); > Urechites lutea (L.) Britton — S; > Urechites pinetorum Small — S; Vinca lutea Linnaeus. Basionym: Vinca lutea L. 1756

Links to other floras: = Pentalinon luteum - FNA14

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC

Heliophily ⓘ: 4