Distribution: Occurring east of the Cascades crest in north-central Washington; southern British Columbia to northern Washington.

Habitat: Rocky, exposed slopes and ledges at lower elevations in the mountains.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Glabrous, herbaceous perennial from a branched crown, with numerous, branching, ascending stems 1.5-3 mm thick, forming cushions usually less than 5 cm broad.

Leaves alternate, fleshy, linear-terete, 5-12 mm long and 1-2 mm broad, deciduous except for the hardened, basal portions of the midrib, many of which persist along the stem as weak bristles.

Flowers 3-9 in minutely bracteate, spreading, flat-topped cymes 2-3 cm long; peduncles 2-5 cm long; sepals 2, orbicular, about 3 mm long; petals 5, broadly ovate, 6-8 mm long, usually white, soon withering; stamens 15-30; style 3-cleft

Capsule about 3 mm long