Distribution: Occurring in the Cascades and Olympic Mountains in Washington; Alaska to Oregon, east to the Rocky Mountains, and east across Canada to northeastern North America; circumboreal.
Habitat: Rock crevices and talus slopes at high elevations in the mountains
Conservation Status: Not of concern
Cushion-like perennial from a woody root and branched crown, forming dense mats up to 3 dm. broad; flowering stems 3-6 cm. tall.
Leaves mostly basal, staying attached for many years, linear to linear-lanceolate, sessile, 4-10 mm. long, glabrous or scabrous.
Flowers single, from nearly sessile or with peduncles up to 4 cm. long, usually dioecious; calyx tubular, 5-lobed, 3-10 mm. long, pinkish; petals 5, pink to lavender, 8-12 mm. long, the claw about twice as long as the blade; blade appendages 2, very small or lacking; stamens 10; styles 3.
Capsule 3-celled, opening by 6 teeth.