Few- seeded draba

Appearance

General: Matted, scapose, grayish perennial, the scapes leafless, pubescent throughout or glabrous above.
Leaves: Leaves tufted, imbricate, linear to linear-spatulate, 3-12 mm. long and 0.75-1.75 mm. broad, the mid-vein and margins thickened, with hairs on the margins with branches on both sides of the hair stem, the lower surface covered with similarly-branched hairs, the long axis of the hairs paralleling the mid-nerve of the leaf.
Flowers: Inflorescence of 3- to 15-flowered racemes; pedicles 3-10 mm. long; sepals 4, erect; petals 4, yellow to whitish, fading with age, 3-5 mm. long; stamens 6; style 0.1-1 mm. long.
Fruits: Silicles ovate to elliptic or oblong-obovate, 2.5-8 mm. long and 2-4 mm. broad, somewhat inflated, glabrous or pubescent with simple, forked, or comb-like hairs.

Naming

Draba calcifuga Lesica
Draba oligosperma Hook. var. andina Nutt.
Draba oligosperma Hook. var. microcarpa Blankinship
Draba oligosperma Hook. var. oligosperma
Draba oligosperma Hook. var. pectinipila (Rollins) C.L. Hitchc.
Draba subsessilis S. Watson

Distribution

In the North Cascades mountains in Washington; Alaska south to California, east to Colorado.

Habitat

Plains to moderate elevations in the mountains.