Distribution: Occurring only in the Wenatchee Mountains in Washington; Alaska and northern Canada south in Rocky and Cascades mountains to Nevada, Arizona and New Mexico; also in Far East Russia and Greenland.
Habitat: Arctic tundra, high gravelly meadows and scree slopes.
Flowers: June- August
Conservation Status: Endangered in Washington (WANHP)
Herbaceous perennial from thick, scaly rhizomes, forming dense clumps up to 3 dm. broad, the simple, pubescent flowering stems 8-20 cm. tall.
Basal leaves numerous, the blades oblong, 4-10 cm. long, interruptedly pinnate or pinnatifid, the main segments entire and linear (the lower ones) or elliptic and toothed; cauline leaves several, alternate, much reduced.
Flowering stems single- or few-flowered; calyx funnel-shaped, purplish, the 5 lobes 6-10 mm. long, the 5 bracteoles 3-4 mm. long; petals 5, spreading, obovate, yellow, blunt-tipped, 6-12 mm. long; stamens 50-70; pistils few to many on a short columnar receptacle.
Achenes lanceolate, 2.5-4 mm. long, hairy, the styles persistent, straight, glabrous, about as long as the achenes.