Plant: perennial plant 1-4.5 dm; taproot slender, sometimes swollen below; herbage grayish, generally finely hairy; stem 0 or short Leaves: petiole 4-6 cm; blade 3.5-10 cm, oblong to obovate, generally 2-3-pinnately dissected, segments generally 2-3 mm, linear or oblong, pointed, often crowded; cauline leaves 0 or like basal INFLORESCENCE: umbel compound, finely hairy; peduncle 0.5-3 dm; bractlets 1-10, linear and free to obovate and ± fused (involucel radial to 1-sided), conspicuously scarious or scarious-margined, generally glabrous or nearly so; rays 8-22, 1-2.5 cm, unequal, spreading; pedicels 3-10 mm Flowers: small, few; calyx lobes generally 0; corolla white to cream; 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, very compressed front-to-back, 6-11 mm, oblong to round or obovate, densely hairy to glabrous; wings < to > body in width; marginal ribs widely to narrowly thin or thick-winged, others thread-like; oil tubes per rib-interval 1-9; fruit axis divided to base; Seed: face flat to concave Misc: Sagebrush, woodland, desert scrub; 1000-3000 m.