Stems 5-50 cm. Leaves: basal axils ± densely tomentose, terminal lobes 3-15 mm; cauline 0-2(-3). Heads 1-6. Peduncles 3-15 cm. Phyllaries 6-9 mm. Florets 30-60; corollas pale yellowish, 3-4 mm, throats 1.5-2 mm, lengths 2-4 times lobes; anthers 2.5-3 mm. Cypselae 4.5-5.5 mm, hairs 0.1-1(-2) mm; pappi (1-)1.5-3 mm. 2n = 34.

Flowering May-Jul. Limestones, shales; 1500-3000 m; Ariz., Calif., Nev., Utah.