Description: Densely clumped perennial, 10 - 20 cm (4 - 8 in.) tall. Stems smooth, lower nodes each bearing 3 leaves. Leaves 2 - 2.5 cm (0.8 - 1.0 in.) long, stiff, hairless, linear, with tips gradually tapered to a sharp point. Inflorescence a cyme, bears many small flowers. Flower sepals acute and taper-pointed, longer than mature fruit. Petals white, linear, about 1 mm wide. Fruit a capsule, 4 mm (0.16 in.) long. Time of flowering: May.
Habitat: Barren limestone cliffs, ledges, canyon walls, and steep rocky slopes on all aspects, above the creosote bush community. Elevations: 884 - 1,097 m (2,900 - 3,600 ft)
Range: Nevada endemic. Known from Clark County (Meadow Valley Range) and Lincoln County.
Comments: Distinguished from related forms by the taper-pointed sepals, linear petals, and capsule shorter than sepals.