Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to California, east to the Sasketchewan and the Rocky Mountains.
Habitat: Sagebrush desert to ponderosa pine forest openings, from low to middle elevations in the mountains.
Flowers: April-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies
Appressed-hairy perennial from a coarse, woody taproot, the several clustered stems 2-6 dm. tall.
Leaves all cauline, the lowermost reduced, the others numerous, sessile, lanceolate to linear, 3-10 cm. long and 2-10 mm. wide.
Flowers in small, leafy-bracteate clusters in the axils of the short, upper branches; calyx deeply cleft; corolla pale yellow, often tinged with green, 8-13 mm. long, the 5 lobes entire, the limb 7-13 mm. wide; style short; nutlets basally attached.
Nutlets smooth, shining, gray, 3.5-6 mm. long, with a ventral keel, often only 1 or 2 of the 4 developed.
PNW Herbaria: Specimen records of Lithospermum ruderale in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lithospermum ruderale checklist entry
OregonFlora: Lithospermum ruderale information
E-Flora BC: Lithospermum ruderale atlas page
CalPhotos: Lithospermum ruderale photos