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Polygonaceae
Persicaria

not marked as a favorite taxon Persicaria careyi (Olney) Greene. Common name: Carey's Knotweed. Phenology: Jul-Oct. Habitat: Moist soils, beaver and muskrat lodges, disturbed areas. Distribution: New Brunswick west to Ontario and Minnesota, south to Virginia, Ohio, Illinois, seemingly widely scattered. Reported for sc. Pennsylvania (Rhoads & Klein 1993; Rhoads & Block 2007), Delaware, New Jersey, and Maryland (Kartesz 1999). Found on a granite dome in sw. NC (E. Raskin, pers.comm., 2026).

Glossary (beta!)

Section: Persicaria.

Origin/Endemic status: Native

Synonymy ⓘ: = Can, FNA5, Il, K4, NE, NY, Pa, POWO; = Polygonum careyi Olney — C, F, G, K1, NS, Tat, WH3. Basionym: Polygonum careyi Olney 1847

Links to other floras: = Persicaria careyi - FNA5

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Wetland Indicator Status:

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

Heliophily ⓘ: 8

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image #1 of Persicaria careyi© Paul Marcum source | Original Image ⭷
image #2 of Persicaria careyino rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #3 of Persicaria careyi© Brandon Corder source | Original Image ⭷
image #4 of Persicaria careyi© Brandon Corder source | Original Image ⭷
image #6 of Persicaria careyi© Paul Marcum source | Original Image ⭷

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Horticultural Information

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