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Polygonaceae
Persicaria

not marked as a favorite taxon Persicaria pensylvanica (Linnaeus) M. Gómez. Common name: Pinkweed, Common Smartweed, Pennsylvania Smartweed. Phenology: May-Dec. Habitat: Disturbed areas, bottomlands. Distribution: NL (Newfoundland), ON, MT, and CA, south to FL, TX, AZ, and to c. Mexico; disjunct (perhaps only introduced?) in AK, Ecuador, Europe.

Glossary (beta!)

Section: Persicaria.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, Can, FNA5, K4, Mex, Mi, Mo3, NE, NY, Pa, Tn, Tx, Va; = Persicaria pennsylvanica (L.) M.Gómez — S, S13, orthographic variant; = Polygonum pensylvanicum L. — C, GW2, NcTx, RAB, W, WH3, WV, Horton (1972); < Persicaria pensylvanica (L.) M.Gómez — Fl4; > Persicaria pensylvanica (L.) M.Gómez var. dura (Stanford) C.F.Reed — Il; > Persicaria pensylvanica (L.) M.Gómez var. laevigata (Fernald) Mohlenbr. — Il; > Persicaria pensylvanica (L.) M.Gómez var. pensylvanica — Il; > Polygonum pensylvanicum L. var. durum Stanford — F; > Polygonum pensylvanicum L. var. eglandulosum Myers — F; > Polygonum pensylvanicum L. var. laevigatum Fernald — F, Tat; > Polygonum pensylvanicum L. var. nesophilum Fernald — F; > Polygonum pensylvanicum L. var. pensylvanicum — F, Tat; > Polygonum pensylvanicum L. var. rosaeflorum Norton — F. Basionym: Polygonum pensylvanicum L. 1753

Links to other floras: = Persicaria pensylvanica - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW
  • Midwest: FACW
  • Northcentral & Northeast: FACW

Heliophily ⓘ: 7

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image #1 of Persicaria pensylvanica© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #2 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #3 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #4 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #5 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #6 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #7 of Persicaria pensylvanica© Erik Danielson source | Original Image ⭷
image #8 of Persicaria pensylvanica© Keith Bradley | Original Image ⭷
image #9 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #10 of Persicaria pensylvanica© Gary P. Fleming | Original Image ⭷
image #11 of Persicaria pensylvanicano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #12 of Persicaria pensylvanica© Radford, Ahles and Bell | Original Image ⭷
image #13 of Persicaria pensylvanica© Erik Danielson source | Original Image ⭷

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Horticultural Information

NCBG trait

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.

fruits:

comments:

cultural notes:

germination code:

native range:



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