(Phemeranthus sediformis)
Plants to 1 dm; roots elongate, fleshily woody. Stems spreading to ascending, branching, bearing - persistent, arcuate, bristlelike, less than 5 mm, proximal portions of midribs of old leaves, suffrutescent. Leaves sessile; blade subterete, to 1.2 cm, base attenuate. Inflorescences cymose, overtopping leaves; peduncle somewhat scapelike or not, to 5 cm. Flowers: sepals deciduous, ovate, to 4 mm; petals white, sometimes tinged pink or pale yellow, obovate to suborbiculate, to 8 mm; stamens 15; stigma 1, subcapitate. Capsules subglobose, trigonous, to 4 mm. Seeds without arcuate ridges, 1 mm.Flowering May-Jul. Slopes, ledges, rocky soil; of conservation concern; 1000-2000 m; B.C.; Wash.