Plant: Perennial, glabrous, 1.5-9 dm, green; roots tuberous, single, 1-2.5 cm, fusiform; stem erect, branched Leaves: basal petiole 3-10 cm; basal blade 10-20 cm, ± ovate, generally 1-ternate or 1-pinnate with 1-3 pairs of leaflets, leaflets 3-15 cm, ± lanceolate, entire; cauline leaves 1-ternate INFLORESCENCE: compound umbels; peduncle 3-20 cm; bracts 0-2, bristle-like; bractlets 3-8, 2-4 mm, linear-lanceolate, scarious-margined; rays 5-20, 1-4.5 cm, subequal or unequal, ascending or spreading-ascending; pedicels 3-4 mm; secondary umbels 13-27-flowered Flowers: small, many; calyx lobes evident; petals generally obovate, free, white, tips narrowed, 1-veined; stamens 5; pistil 1, ovary inferior, 2-chambered, generally with a ± conic, persistent projection or platform on top subtending 2 free styles; styles 1-1.5 mm Fruit: 2 dry, 1-seeded halves that separate from each other but generally remain attached for some time to a central axis, 2.5-5 mm wide, oblong to ± round, slightly compressed side-to-side or not at all, glabrous; ribs subequal, thread-like, not winged; oil tubes per rib-interval 3-4; fruit axis divided to base; Seed: face flat to grooved Misc: Moist meadows, open coniferous forests; 2000-3000 m.