Perennials, 30-50(-80) cm. Aerial stems (from ± erect caudices) 1-10+, stramineous to reddish, glabrous or sparingly hairy. Leaf blades deltate-lanceolate, (1.5-)3-6 × 0.8-3 cm, margins irregularly dentate to subentire (proximal teeth larger), apices acuminate to obtuse, faces sparsely pubescent to glabrescent. Heads 1-10+. Peduncles (6-)15-30 cm. Involucres 12-20 mm diam. Phyllaries densely pubescent on margins and apices, abaxial faces glabrescent. Paleae lanceolate to oblong, apices acuminate, faces glabrous. Ray florets 9-11; corollas golden yellow (young) to pale yellow (old), laminae (1-)2-3 cm × 5-14 mm. Disc florets 8-50+; corollas greenish yellow to yellow-brown (lobes brighter than tubes), 3-4.5 mm, glabrous. Cypselae 4.5-5 mm, glabrous, rugulose to subtuberculate; pappi 0. 2n = 28. Flowering late spring-early fall. Open, rocky mountain slopes, canyons; 1200-2500 m; Ariz., N.Mex., Tex; Mexico (Chihuahua, Coahuila, Durango, Sonora, Tamaulipas).