Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California and Nevada, east to Alberta, Montana and Wyoming.
Habitat: Common in moist meadows, mid- to high elevations in the mountains.
Conservation Status: Not of concern
Perennial from a branched base and well-developed rhizomes, moderately puberulent but green throughout, the stems 1.5-2.5 dm. tall.
Basal leaves numerous, long-petiolate, the blades ternate, the leaflets obovate, deeply toothed, the teeth rounded; stipules membranous, ovate, 5-15 mm. long; cauline leaves 1-2, reduced.
Inflorescence open, few-flowered, leafy-bracteate; calyx saucer-shaped, 1-1.5 cm. broad, the 5 lobes deltoid-lanceolate, the alternating bracteoles slightly shorter, elliptic, toothed; petals 5, bright yellow, obcordate, up to 10 mm. long; stamens 20, inserted just outside a blackish-purple disk; pistils numerous; style slender, sub-terminal, longer than the achene.
Achene 1.5 mm. long, smooth.