Page author: David Giblin
Lupinus bicolor
field lupine, small-flowered lupine, two-color lupine

Distribution: Occurring chiefly west of the Cascades crest and east in the Columbia River Gorge in Washington, but also in the southeastern part of state; British Columbia to California, east to Arizona.

Habitat: Open meadows, grasslands, prairies, and sandy riverbanks at low to moderate elevations.

Flowers: April-July

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies, butterflies, wasps


[none provided]

Accepted Name:
Lupinus bicolor Lindl.
Publication: Bot. Reg. 13: t. 1109. 1827.

Synonyms & Misapplications:
Lupinus bicolor Lindl. ssp. bicolor [IFBC]
Lupinus hirsutulus Greene
Lupinus micranthus Douglas, homonym (illegitimate) [HC]
Lupinus micranthus Douglas var. bicolor (Lindl.) S. Watson
Lupinus polycarpus Greene [KZ99]
Lupinus strigulosus Gand.
Additional Resources:

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

WA Flora Checklist: Lupinus bicolor checklist entry.

OregonFlora: Lupinus bicolor information.

E-Flora BC: Lupinus bicolor atlas page.

CalPhotos: Lupinus bicolor photos.

USDA Plants: Lupinus bicolor information.

65 photographs:
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