Centrosema virginianum (Linnaeus) Bentham var. virginianum . Spurred Butterfly Pea. Phen: Jun-Aug; Jul-Oct. Hab: Dry woodlands and openings. Dist: S. NJ south to s. FL, west to KY, sc. MO, AR, and TX; West Indies; Mexico, Central America, and South America.

Origin/Endemic status: Native

Taxonomy Comments: Centrosema virginianum s.l. is very variable in leaflet length:width ratio, with forms with very narrow leaflets prevalent southwards (10:1 or greater), especially in peninsular FL (and in the West Indies). These are here accorded taxonomic recognition as C. virginianum var. angustifolium (A.P. de Candolle) Grisebach. Further study is needed.

Synonymy: = Centrosema virginianum (L.) Benth. – Bah; < Bradburya virginiana (L.) Kuntze – S; < Centrosema virginianum (L.) Benth. – Ar, C, Fl3, G, K1, K3, K4, Mex, NcTx, RAB, SE3, Tn, Tx, Va, W, WH3, WI, Isely (1998); > Centrosema virginianum (L.) Benth. var. ellipticum Fernald – F; > Centrosema virginianum (L.) Benth. var. virginianum – F

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