Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta.

Habitat: Open, rocky areas, mid- to high elevations in the mountains

Flowers: June-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies

Mat-forming, glabrous perennial with prostrate, freely-rooting stems, and numerous, erect, flowering stems 5-15 cm. tall.

Leaves opposite, sessile, fleshy, 4-8 mm. long, oval to broadly obovate on the sterile shoots, oblong to spatulate on the flowering stems.

Inflorescence of 5-15 flowered, leafy-bracteate cymes; pedicles 1-3 mm. long; calyx 3-3.5 mm. long, the 5 lobes triangular, distinct nearly to the base; petals 5, yellow, distinct, oblong-lanceolate, acuminate, tipped with a sharp point, 7-9 mm. long; stamens 10, slightly shorter than the petals, 5 attached to the base of the petals.

Follicles 5, united at the base, widely divergent, each with a small gland at the base, and tipped by the tapered style.