Peebles Navajo cactus

Plants unbranched. Stems 2-4 × 1.5-4.5 cm. Spines all radial, (3-)4(-5) per areole, curved upward toward apex of plant, 3-8 × 1 mm.

Flowering spring. Great Basin desert scrub, desert grasslands, gravelly soils; of conservation concern; 1500-1700 m; Ariz.