Distribution: British Columbia to California, chiefly west of the Cascades in Washington, east to southeast Washington, Idaho and Colorado.
Habitat: Gravelly, sandy or heavy dry or moist soil at low elevations.
Flowers: June - September
Conservation Status: Not of concern
Erect to rounded annual, the stems simple or freely-branched, up to 5 dm. tall, the branches wiry, sharply angled above.
Leaves alternate, basally jointed, linear to narrowly oblong-oblanceolate, 1-3 cm. long and 1-2 mm. wide; stipules sheathing, lacerate, 3-6 mm. long.
Flowers 1-4 in the axils of the upper leaves and crowded, leaf-like bracts which exceed the flowers; pedicles slender, 1-2 mm. long; the 5 perianth segments 3-4 mm. long, attached 1/3 their length, pinkish with a green midrib; stamens 8; styles 3, 0.5 mm. long.
Achene 3-angled, 3-4 mm. long, black, shining and smooth.