Polygonella polygama (Ventenat) Engelmann & A. Gray. Common October-flower. Phen: Jun-Oct; Sep-Nov. Hab: Longleaf pine sandhills, other dry sandy habitats. Dist: Se. VA south to s. FL, west to se. TX (perhaps absent in GA). P. polygamum occurs in the outer Coastal Plain of VA and NC, extending into the middle Coastal Plain and fall-line Sandhills in SC (Richland, Lexington, and Aiken counties, SC).

Origin/Endemic status: Endemic

Synonymy: = S; = Polygonella polygama (Vent.) Engelm. & A.Gray var. polygama – Fl4, FNA5, Va, WH3, Nesom & Bates (1984), Wunderlin (1981); = Polygonum polygamum Vent. var. polygamum – K3, Schuster, Reveal, & Kron (2011); < Polygonella polygama (Vent.) Engelm. & A.Gray – C, F, G, K1, RAB, Tx, Horton (1961)

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