Cynanchum laeve (Michaux) Persoon. Phen: Jul-Sep; Aug-Oct. Hab: Bottomlands and disturbed areas. Dist: Se. PA and KS south to sw. GA, Panhandle FL, and c. TX. The native vs. adventive portions of the distribution are difficult to determine; we her treat the distribution east of the Appalachians as likely introduced.
Origin/Endemic status: Native
Synonymy: = Fl5, GrPl, GW2, K1, K3, K4, Mo2, NcTx, NY, Ok, Pa, RAB, Tn, Tx, Va, W, WV; = Ampelamus albidus (Nutt.) Britton – C, F, G, Il; = Ampelamus laevis (Michx.) Krings – WH3, Krings (2001); = Gonolobus laevis Michx. – S