Polygonella americana (Fischer & C.A. Meyer) Small. Southern Jointweed. Phen: Jun-Oct; Aug-Nov. Hab: Longleaf pine sandhills, other dry woodlands, glades, and barrens with sandy or rocky soil. Dist: Sc. NC south to c. TX, north in the interior to ec. TN, se. MO, and AR; disjunct in Panhandle TX and NM.

Origin/Endemic status: Native

Synonymy: = Ar, F, FNA5, G, GrPl, K1, NcTx, RAB, S, Tn, Tx, Horton (1961); = n/a – C; = Polygonum americanum (Fisch. & C.A.Mey.) T.M.Schust. & Reveal – K3, K4, Schuster, Reveal, & Kron (2011)

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