Distribution: Southeast Washington and northeast Oregon,east through Idaho to Montana and Wyoming
Habitat: Dry, open, often rocky places often with sagebrush; common at low elevations, occasionally found much higher
Flowers: April - July
Conservation Status: Not of concern
Glabrous or short-hairy, glaucous perennial from a taproot, usually acaulescent, 1-3.5 dm. tall at maturity.
Leaves pinnately dissected, the ultimate segments varying from short, crowded and broad to longer and narrower, up to 15 mm. long and 3 mm. wide; leaves usually all basal, but there may be one or more cauline leaves. The taproot is usually short and tuberous-thickened, but occasionally more slender and elongate.
Inflorescence a compound umbel, the rays 5-20, unequal, 1.5-10 cm. long at maturity; involucre none; involucel bractlets well-developed, broadly oblanceolate to obovate, 2-5 mm. long, entire or few-toothed, often purplish; calyx teeth obsolete, flowers yellow; pedicels short, 1-3 mm. long.
Fruit oblong to broadly elliptic, 5-12 mm. long and 3-5 mm. wide, often roughened; lateral wings about equaling the body; dorsal wings sometimes present.