Plant: perennial plant 0.3-3 dm, taprooted, densely puberulent or soft-hairy to tomentose; stem 0 Leaves: petiole 1-15 cm, < blade, wholly sheathing; blade generally 2.5-18 cm wide, oblong to obovate, pinnately or ternate-pinnately dissected, segments 1-7 mm, linear to obovate, pointed INFLORESCENCE: umbels compound, hairy to nearly glabrous; peduncle 0.3-3 dm; bractlets fused or not, < to = flowers, linear to linear-lanceolate, entire or lobed, acute; rays 1-30, generally 1-8 cm, spreading-ascending or spreading; pedicels 1-15 mm Flowers: small, few; calyx lobes generally 0; corolla yellow, rarely purplish; petals wide, yellow, white, or purple, tips narrowed; stamens 5; pistil 1, ovary inferior, 2-chambered Fruit: 2 dry, 1-seeded halves that separate from each other but generally remain attached for some time to a central axis, 4-12 mm, oblong-ovate, generally hairy, very compressed front-to-back; wings generally 1/2 body in width; marginal ribs widely to narrowly thin or thick-winged, others thread-like; oil tubes per rib-interval 1-7; fruit axis divided to base; Seed: face flat to concave Misc: Sagebrush, pine woodland, open summits, subalpine scrub; 1600-3300 m.