Page author: David Giblin
Allium columbianum
Columbia onion

Distribution: Occurring east of the Cascades crest in far eastern Washington; Washington to Idaho and Montana.

Habitat: Seasonally wet soils on rock outcrops, wet meadows.

Flowers: May-July

Origin: Native

Conservation Status: Review Group 1 in Washington (WANHP)


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Accepted Name:
Allium columbianum (Ownbey & Mingrone) P. M. Peterson, Annable & Rieseberg
Publication: Syst. Bot. 13: 211. 1988.

Synonyms & Misapplications:
Allium douglasii Hook. var. columbianum Ownbey & Mingrone [HC]
Additional Resources:

PNW Herbaria: Specimen records of Allium columbianum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Allium columbianum checklist entry.

E-Flora BC: Allium columbianum atlas page.

CalPhotos: Allium columbianum photos.

USDA Plants: Allium columbianum information.

13 photographs:
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