Desmodium obtusum (Muhlenberg ex Willdenow) A.P. de Candolle. Stiff Tick-trefoil. Phen: Jun-Sep; Aug-Oct. Hab: Longleaf pine sandhills and dry pine flatwoods, other dry pine woodlands, fields, woodland borders, disturbed areas. Dist: MA west to s. MI, south to Panhandle FL and TX.
Origin/Endemic status: Native
Syn: = Ar, Fl3, GrPl, Il, K1, K3, Mi, Mo3, NcTx, NE, NY, Pa, RAB, SE3, Tn, Tx, Va, W, WH3, Isely (1998); = Desmodium marilandicum var. lancifolium – K4, Ohashi (2013); = Desmodium rigidum – C, F, G, WV; = Meibomia rigida – S
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