Distribution: From Okanogan County to Blue Mts, of southeastern Washington, and westward to the east end of the Columbia River Gorge in Washington; Washington to northeastern Oregon.
Habitat: Sagebrush desert, grassy slopes, and in ponderosa pine forest openings.
Flowers: April-June
Origin: Native
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, butterflies, beetles, wasps
[none provided]
Publication: Fl. Bor.-Amer. (Hooker) 1(4): 166. 1832.
Lupinus sulphureus Dougl. ex Hook. var. applegateanus C.P. Sm.
Lupinus sulphureus Dougl. ex Hook. var. echleranus C.P. Sm.
PNW Herbaria: Specimen records of Lupinus sulphureus var. sulphureus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lupinus sulphureus var. sulphureus checklist entry
OregonFlora: Lupinus sulphureus var. sulphureus information
E-Flora BC: Lupinus sulphureus var. sulphureus atlas page
CalPhotos: Lupinus sulphureus var. sulphureus photos
