Perennials or subshrubs, 30-50+ cm. Leaves mostly not lobed, blades oblanceolate to ovate, 8-25 × 4-8 mm (bases sometimes toothed or obscurely lobed, oil-glands 1-2 pairs near base, 1 near tip, each leaf). Peduncles 60-150 mm. Calyculi of 12-22 linear-attenuate, gland-bearing, bractlets 5-8 mm. Involucres campanulate to obconic, 15-18 mm. Phyllaries ca. 20, lanceolate to linear, separating in fruit. Ray florets (0-)7-13; corollas yellow-orange, becoming red-orange; tubes 5 mm, laminae 8-10 × 2.5-4 mm. Disc florets 50-80+; corollas yellow, 8-10 mm. Cypselae 5-7 mm; pappi of 15-20 scales 7-10 mm, each comprising 5-9, basally connate bristles. 2n = 26. Flowering spring-fall. Sandy and gravelly soils of washes and alluvial fans in deserts; 0-1300 m; Ariz., Calif., Nev.

Plant: Subshrub, glabrous or short-rough-hairy; odor unpleasant; stems many, erect, 3.5-6 dm, generally much-branched Leaves: generally alternate, sessile, 8-25 cm, ovate to oblanceolate, coarsely toothed or shallowly lobed; blade with 1-2 glands near base, 1 near tip INFLORESCENCE: head, each resembling a flower; heads radiate (rarely discoid); peduncles 6-15 cm, swollen beneath heads, bracts leaf-like; involucre cylindric; outer phyllaries 12-22, 5-8 mm, linear, long-acuminate, each with 1 central gland; inner phyllaries ± 20, 15-18 mm, linear, fused below, gland-dotted Flowers: Ray flowers (0)7-13; ligule 8-9 mm, yellow to red-orangeDisk flowers many; corollas yellow 8-10 mm Fruit: 5-7 mm achenes, hairy; pappus scales 15-20, 8-10 mm, each dissected into 5-9 bristles Misc: Dry, sandy slopes and washes; 600-1550 m.; May-Jun, Sep-Nov