Distribution: Both sides of the Cascades, Alaska to Baja California, east through Canada to Nova Scotia
Habitat: Common in moist woods and meadows from sea level to subalpine
Flowers: April - August
Conservation Status: Not of concern
Herbaceous perennial from a short rhizome, the 1-several pubescent stems 3-7 dm. tall.
Basal leaves several, the blades lyrate-pinnatifid, up to 3 dm. long; leaflets 9-23, triangular-ovate to cordate, the terminal one much the largest, up to 15 cm. wide; cauline leaves 2-5, with leaf-like stipules.
Flowers several in an open, asymmetrical inflorescence; calyx saucer-shaped, the 5 lobes 4-5 mm. long, reflexed, alternating with 5 simple bracteoles; petals 5, yellow, 4-6 mm. long; stamens and pistils numerous.
Achenes compressed, elliptic, 3 mm. long, the style bent and divided at mid-length, the lower segment 4 mm. long, reddish, hooked at the tip, the upper segment 1-1.5 mm. long, yellowish.