Distribution: Occurring on west side of Mount Rainier National Park and nearby Yakima County in WA; also in Multnomah and Lincoln counties in Oregon.
Habitat: Moist meadows, forest openings and edge at middle elevations.
Growth Duration: Perennial
Conservation Status: Not of concern
Glabrous, often acaulescent perennial from a thickened taproot, 5-20 cm. tall.
Basal leaves long-petiolate, trifoliate to 5-7 pinnate, the leaflets elliptic, 1-3 cm. long and 4-10 mm. wide; cauline leaves, if any, few and much reduced.
Inflorescence a compound umbel, the several rays elongating unequally, much longer in fruit than in flower; involucre none, involucel of several slender bractlets 1-2 mm. long; calyx teeth minute; flowers yellow; pedicels short.
Fruit sub-globose, 2-3 mm. long and nearly as wide, with longitudinal ribs and grooves.