Plants ascending; trichomes tuberculate throughout, center low-mounded. Basal leaves: blade margins entire. Racemes secund, ± dense and compact in fruit. Fruiting pedicels sigmoid. Petals yellow. Fruits as wide as or longer than wide, apex rounded-acute; valves glabrous inside; septum complete; ovules (6-)8-12 per ovary; style (4-)4.5-6.5 mm. Flowering Jun-Jul. Rocky ridges, gravel, sagebrush hillsides, exposed limestone, granitic rock areas, sandy soils; 2400-3400 m; Utah. Subspecies utahensis is found in the Uinta and Wasatch mountains.