Distribution: Occurring in the Olympic and Cascade mountains in Washington; British Columbia to California, east to Alberta, Montana, Idaho, and the Wallowa Mountains of Oregon.
Habitat: Open slopes and meadows from middle elevations to the alpine.
Conservation Status: Not of concern
Grayish, hairy perennial from a stout, branched, woody base, the stems 2-5 dm. tall.
Basal leaves long-petiolate, the blades large, ternate and 2-3 times pinnately compound, the ultimate segments linear, 0.5-2 mm. broad; the flowering stem naked except for a whorl of 3 leaves above the midpoint, these similar to the basal leaves but sessile.
Flowers single; sepals 5-8, oblong, broadly rounded, white or purplish-tinged, 2-3 cm. long; petals none; stamens and pistils numerous.
Achenes with long, soft hairs, 4 mm. long; styles sinuous, 2-3.5 cm. long, silky-plumose.