Page author: David Giblin
Lupinus lepidus
prairie lupine

Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.

Habitat: Open areas from lowland prairies and sagebrush flats to alpine ridges.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


[none provided]

Accepted Name:
Lupinus lepidus Douglas ex Lindl.
Publication: Bot. Reg. 14: t. 1149. 1828. 1828.

Synonyms & Misapplications:
(none provided)
var. aridus – prairie lupine    Occurring east of the Cascades crest in Washington; north-central Washington to California, east to Idaho and Nevada.
var. lepidus – Pacific lupine    Occurring west of the Cascades crest in Washington; southwestern British Columbia to western Oregon.
var. lobbii    Occurring n the Olympic and Cascade mountains in Washington; British Columbia to California and Nevada.
var. utahensis – prairie lupine   Disjunct in Okanogan County in Washington; eastern Oregon through central and southern Idaho to southwestern Montana, Colorado and Utah.
Additional Resources:

PNW Herbaria: Specimen records of Lupinus lepidus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lupinus lepidus checklist entry.

E-Flora BC: Lupinus lepidus atlas page.

CalPhotos: Lupinus lepidus photos.

USDA Plants: Lupinus lepidus information.

152 photographs:
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