Distribution: Occurring on both sides of the Cascades crest in Washington; southern Alaska to California, east to the Rocky Mountains, Great Lakes region, and eastern North America.
Habitat: Forest understory and edge, from near sea level to middle elevations in the mountains.
Growth Duration: Perennial
Conservation Status: Not of concern
Somewhat short-hairy perennial from a well-developed taproot, the 1-3 stems 3-10 dm. tall.
Leaf blades biternate, the leaflets thin, narrow to broadly ovate, coarsely toothed to incised, 2-7 cm. long and 1-5.5 cm. wide; basal leaves several, long-petiolate; cauline leaves 1-3, sub-sessile; stem branched above and producing several small umbels.
Inflorescence of loose, compound umbels, the long peduncles rising from leaf axils as well as terminal, the peduncles 5-25 cm. long; the 3-5 rays ascending-spreading, 2-12 cm. long; involucre and involucel wanting; calyx teeth obsolete; flowers usually greenish-white, occasionally yellowish.
Fruit linear-oblong, 12-22 mm. long, concavely narrowed toward the summit, densely covered with ascending hairs at least toward the base; stylopodium conic, about as high as wide.