Page author: David Giblin
Polygonum nuttallii
Nuttall's knotweed
Specimens
Photos
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho.
Habitat: Prairies, grassy balds, and forest openings at low to moderate elevations.
Flowers: May-July
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bees, flies
Description:
[none provided]
Accepted Name:
Polygonum nuttallii Small
Publication: Mongr. Amer. Sp. Polygonum. 132, plate 53. 1895.
Publication: Mongr. Amer. Sp. Polygonum. 132, plate 53. 1895.
Synonyms & Misapplications:
Polygonum douglasii Greene ssp. nuttallii (Small) J.C. Hickman [ILBC4]
Polygonum intermedium Nutt. ex S. Watson
Polygonum intermedium Nutt. ex S. Watson
Additional Resources:
PNW Herbaria: Specimen records of Polygonum nuttallii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Polygonum nuttallii checklist entry
OregonFlora: Polygonum nuttallii information
E-Flora BC: Polygonum nuttallii atlas page
CalPhotos: Polygonum nuttallii photos
12 photographs:
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