POLYGONACEAE

Polygonum erectum Linnaeus. Erect Knotweed. Phen: Jun-Oct; Jul-Oct. Hab: Bottomland forests, streambanks, disturbed areas, open places. Dist: ME, ON, and AB south to GA, LA, and NM.

Origin/Endemic status: Native

Syn: = Ar, C, F, FNA5, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Tn, Va, W, WV, Horton (1972), Mitchell & Dean (1978)

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