Distribution: Reported from east of the Cascades crest in Washington, but no specimens seen; central Washington to California, east to northwestern Nevada.
Habitat: Gravelly flats in lodgepole and ponderosa pine forests to alpine ridges and talus slopes.
Conservation Status: Review Group 1 in Washington (WANHP)
Dioecious perennial with a strong taproot and trailing to weakly ascending branches up to 3 dm. long.
Leaves alternate, numerous, 2-4 cm. long, the blade rhombic to obovate-oblanceolate, grayish-woolly beneath, tapered to a slender petiole.
Inflorescence a 3- to 7-rayed umbel, from subcapitate to 5 cm. broad, subtended by a whorl of 3-7 linear-lanceolate bracts; involucres broadly top-shaped, woolly, 3 mm. long, the 5 teeth 0.5 mm. long; perianth pale to deep yellow, glabrous, 3 mm. long, with a stipitate base 0.5 mm. long; filaments bearded on the lower half.
Achene exceeding the perianth.