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Persicariapensylvanica (Linnaeus) M. Gómez. Section:Persicaria. Pinkweed, Common Smartweed, Pennsylvania Smartweed. Phen: May-Dec. Hab: Disturbed areas, bottomlands. Dist: NL (Newfoundland), ON, MT, and CA, south to FL, TX, AZ, and to c. Mexico; disjunct (perhaps only introduced?) in AK, Ecuador, Europe.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, FNA5, K3, K4, Mex, Mi, NE, NY, Pa, Tn, Tx, Va; = Persicariapennsylvanica (L.) M.Gómez – S, S13, orthographic variant; = Polygonumpensylvanicum L. – C, GW2, K1, NcTx, RAB, W, WH3, WV, Horton (1972); < Persicariapensylvanica (L.) M.Gómez – Fl4; > Persicariapensylvanica (L.) M.Gómez var. dura (Stanford) C.F.Reed – Il; > Persicariapensylvanica (L.) M.Gómez var. laevigata (Fernald) Mohlenbr. – Il; > Persicariapensylvanica (L.) M.Gómez var. pensylvanica – Il; > Polygonumpensylvanicum L. var. durum Stanford – F; > Polygonumpensylvanicum L. var. eglandulosum Myers – F; > Polygonumpensylvanicum L. var. laevigatum Fernald – F, Tat; > Polygonumpensylvanicum L. var. nesophilum Fernald – F; > Polygonumpensylvanicum L. var. pensylvanicum – F, Tat; > Polygonumpensylvanicum L. var. rosaeflorum Norton – F
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Horticultural Information
Intro:Erect to sometimes prostrate annual of bottomlands, tidal freshwater marshes, depression ponds, wet fields and ditches.
Stems:Stems slightly zigzagged, simple or branched, smooth below and hairy to glandular hairy above.
Leaves:Leaves alternate, petiolate with a membranous sheath (ocrea) where petiole joins stem, lance-shaped, to 7 in. long, often with a reddish blotch and with hairy margins.
Inforescence:
Flowers:Flowers in dense, cylindric spikes on glandular stalks from leaf axils; pink to purplish; less than 1/4 in. wide; consisting of 5 tepals that are usually closed.
Fruits:
Comments:
Height:1-2 ft.
plant sale text:
bloom table text:
description:Erect to sometimes prostrate annual of bottomlands, tidal freshwater marshes, depression ponds, wet fields and ditches.
stems:Stems slightly zigzagged, simple or branched, smooth below and hairy to glandular hairy above.
leaves:Leaves alternate, petiolate with a membranous sheath (ocrea) where petiole joins stem, lance-shaped, to 7 in. long, often with a reddish blotch and with hairy margins.
inflorescence:
flowers:Flowers in dense, cylindric spikes on glandular stalks from leaf axils; pink to purplish; less than 1/4 in. wide; consisting of 5 tepals that are usually closed.
