Leaf blades coriaceous, 20-70 × 15-50 mm. Phyllaries 7-10 mm. Ray laminae 3-5(-7) mm. Disc corollas 9-11 mm. Cypselae 5-6 mm. 2n = 24. Flowering spring-late summer. Hillsides, canyons, among rocks; 800-1600 m; Ariz.; Mexico (Chihuahua, Sonora).