Crotalaria sagittalis Linnaeus. Common Rattlebox. Phen: Jun-Aug; Jul-Sep. Hab: Woodlands, woodland edges, barrens, prairies, openings, fields. Dist: MA and VT west to s. MI, s. WI, and c. MN, south to c. SC, s. AL, s. MS, TX, Mexico and Central America; West Indies.

Origin/Endemic status: Native

Synonymy: = Ar, C, G, GrPl, Il, K1, K3, K4, Mex, Mi, NcTx, NE, NY, Pa, RAB, S, SE3, Tn, Tx, Va, W, WV, Isely (1998), Leverett & Woods (2012); > Crotalaria sagittalis L. var. oblonga Michx. – F; > Crotalaria sagittalis L. var. sagittalis – F

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