Distribution: Occurring west of the Cascades crest in Washington, often along or near the coast; Alaska to California.
Habitat: Moist sand or rocks.
Conservation Status: Not of concern
Usually glabrous, fleshy biennial or perennial, the stems prostrate to ascending, slender, usually branched, up to 15 cm. long.
Basal leaves numerous, forming rosettes, 1-3 cm. long and up to 2 mm. broad; cauline leaves opposite, linear, 5-15 mm. long, often with bundles of secondary leaves in the axils.
Flowers solitary in the leaf axils and terminal on the branches; pedicles nearly filiform, 10-35 mm. long; sepals 5, distinct, erect, 3-3.5 mm. long; petals 5, white, shorter than the sepals; stamens 5; styles 5, alternate with the sepals.
Capsule 1.5-2 times as long as the calyx, 5-valved.