Leaf blades 2-8 × 1-6 cm, ultimate margins coarsely toothed, faces sparsely strigillose and gland-dotted. Ray laminae 15-20 mm. Cypselae 2-3 mm. 2n = 34. Flowering summer-fall. Rocky sites, canyon walls; 1500-2700 m; Ariz., N.Mex.; Mexico (Chihuahua).