Polygonum polygaloides ssp. confertiflorum - Burke Herbarium Image Collection

Burke Herbarium Image Collection

Vascular Plants, Macrofungi, & Lichenized Fungi of Washington

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Page author: David Giblin

Polygonum polygaloides ssp. confertiflorum

close-flowered knotweed

Specimens

Photos

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.

Habitat: Meadows, vernal pools and dry open ground, lowlands to mid-elevations in the mountains

Flowers: May July

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees, flies

Description:

[none provided]

Accepted Name:

Polygonum polygaloides Meisn. ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman
Publication: Madroño. 31: 251. 1984.

Synonyms & Misapplications:

Polygonum confertiflorum Nutt. ex Piper [HC]
Polygonum kelloggii Greene var. confertiflorum (Nutt. ex Piper) Dorn
Polygonum watsonii Small [HC]

Additional Resources:

PNW Herbaria: Specimen records of Polygonum polygaloides ssp. confertiflorum in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Polygonum polygaloides ssp. confertiflorum checklist entry

OregonFlora: Polygonum polygaloides ssp. confertiflorum information

E-Flora BC: Polygonum polygaloides ssp. confertiflorum atlas page

CalPhotos: Polygonum polygaloides ssp. confertiflorum photos

17 photographs:

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