Distribution: Chiefly west of the Cascades in Washington; circumboreal; Alaska to California, east to Newfoundland, south in eastern North America to Virginia.
Habitat: Coastal tideflats and saline areas.
Conservation Status: Not of concern
Glabrous perennial herbs from slender rhizomes, the stems prostrate, decumbent to erect, simple or branched, 0.5-4 dm. long, somewhat succulent and glaucous.
Leaves sessile, opposite on the lower stem, becoming alternate and crowded upward; leaf blades narrowly lanceolate, elliptic or ovate, entire, 0.2-2.6 cm. long and 0.1-6 cm. wide, glabrous.
Flowers solitary and sessile in the leaf axils; sepals 5, 3-5 mm. long, the lobes ovate, somewhat succulent, with stalked glands; petals absent; stamens 5, the filaments distinct, slightly longer than the calyx.
Capsules 2.5-3.5 mm. long, glabrous.