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Polygonaceae
Polygonum

not marked as a favorite taxon *Polygonum douglasii E.L. Greene. Common name: Douglas’s Knotweed. Phenology: Jun-Oct. Habitat: Disturbed areas. Distribution: Native of n. and w. North America, to n. Mexico (BCN, SON). Reported for VA in FNA.

Glossary (beta!)

Section: Duravia.

Origin/Endemic status: Native

Synonymy ⓘ: = C, Can, F, FNA5, GrPl, K4, Mex, Mi, NE, NY, S13; > Polygonum douglasii Greene ssp. douglasii. Basionym: Polygonum douglasii Greene 1885

Links to other floras: = Polygonum douglasii - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (name change)
  • Eastern Mountains and Piedmont: UPL (name change)
  • Great Plains: FACU (name change)
  • Midwest: FACU (name change)
  • Northcentral & Northeast: FACU (name change)

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image #1 of Polygonum douglasii© Ryan Durand, some rights reserved (CC BY), uploaded by Ryan Durand source CC-BY | Original Image ⭷
image #2 of Polygonum douglasii© Chloe and Trevor Van Loon, some rights reserved (CC BY), uploaded by Chloe and Trevor Van Loon source CC-BY | Original Image ⭷
image #3 of Polygonum douglasii© Brad Von Blon, some rights reserved (CC BY), uploaded by Brad Von Blon source CC-BY | Original Image ⭷
image #4 of Polygonum douglasii© Chloe and Trevor Van Loon, some rights reserved (CC BY), uploaded by Chloe and Trevor Van Loon source CC-BY | Original Image ⭷
image #5 of Polygonum douglasii© Chloe and Trevor Van Loon, some rights reserved (CC BY), uploaded by Chloe and Trevor Van Loon source CC-BY | Original Image ⭷

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Horticultural Information

No horticultural data found for this taxon.

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