Page author: David Giblin
Polygonum sawatchense ssp. oblivium
sublime knotweed
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho.

Habitat: Dry to moist forest openings and meadows from moderate elevations to the subalpine.

Flowers: June-August

Origin: Native

Conservation Status: Review Group 1 in Washington (WANHP)

Pollination: Bees, flies

Description:

[none provided]


Accepted Name:
Polygonum sawatchense Small ssp. oblivium Costea & Tardif
Publication: Sida. 20: 1637, figs. 1b, 2b, d, f. 2003.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Polygonum sawatchense ssp. oblivium in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Polygonum sawatchense ssp. oblivium checklist entry

OregonFlora: Polygonum sawatchense ssp. oblivium information

E-Flora BC: Polygonum sawatchense ssp. oblivium atlas page

CalPhotos: Polygonum sawatchense ssp. oblivium photos

13 photographs:
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