*Desmodium tortuosum (Swartz) A.P. de Candolle. Phen: Jul-Aug; Aug-Oct. Hab: Fields, woodland borders, disturbed areas. Dist: E. NC south to s. FL, west to AR and TX; Mexico, Central America, n. South America, West Indies; perhaps only introduced in the more eastern parts of the southeastern United States.
Origin/Endemic status: Native
Synonymy: = Ar, Fl3, FNA, K1, K3, K4, Mex, RAB, SE3, Tx, WH3, Isely (1998); = Meibomia purpurea (Mill.) Vail – S; = Meibomia tortuosa (Sw.) Kuntze