Annuals (rarely persisting), 4-15 cm; glandular-pubescent, weakly tomentose, furfuraceous. Stems erect and spreading, much branched. Leaf blades rounded-deltate to reniform, 4-18 × 6-26 mm, margins of some or all toothed. Peduncles 1-28 mm. Involucres turbinate, 6-9 mm. Phyllaries 13-19, outer falling or persistent, 5-6, lanceolate to lance-linear, tips erect, inner falling, 8-13, lance-linear, tips erect. Florets 10-21; corollas yellow, often purplish at tips, 4-5 mm. Cypselae 2-3 mm; pappi of 35-50, subequal bristles in 1 series, 1-4 mm. 2n = 34. Flowering spring-fall. Alkaline soils of washes and playas; 800-2000 m; Ariz., Calif., Idaho, Nev., Utah.