Taxon 46: 222. 1997.
Plants sometimes mat-forming, to 0.6 dm; roots elongate, woody. Stems spreading-ascending, branching, sometimes suffrutescent. Leaves sessile; blade subterete, to 1.5 cm. Inflorescences cymulose or often only 1-flowered, usually slightly overtopping leaves; peduncle not scapelike, sometimes rudimentary, to 0.3 cm. Flowers: sepals deciduous, oval to orbiculate, to 4 mm; petals rose, lavender, or rarely white, obovate, to 10 mm; stamens 20–25; stigmas 3, sublinear. Capsules subglobose to ellipsoid, 3.5–4 mm. Seeds without arcuate ridges, 1 mm.
Phenology: Flowering Jun–Oct.
Habitat: Dry, rocky slopes and ledges in sand pockets
Elevation: 1500-2200 m
Ariz., N.Mex., Utah.
Reports of Phemeranthus brevifolius from western Texas and southern New Mexico, where it does not actually occur, apparently have been based on misidentified specimens of P. brevicaulis.