Leaves 5-20(-50) × 1-2 mm. Peduncles 8-25 mm, glabrous or stipitate-glandular. Disc corollas 6.5-8.5 mm. Cypselae 3.2-4 mm; pappus elements 2-6 mm. 2n = 40. Flowering spring (following rains). Desert scrubs, soils from granitics, limestones, sandstones, volcanics; -50-1400 m; Ariz., Calif., Nev., Utah; Mexico (Baja California, Baja California Sur, Sonora).

Plant: Shrub or small tree < 3 m, rounded; stem densely leafy, green Leaves: alternate, generally 1-2 cm, narrowly linear, thick, generally entire, glabrous, gland-dotted, resin-varnished INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads solitary, discoid; peduncle 8-25 mm, leafy-bracted; involucre ± obconic; phyllaries 9-18 in 1 series, 8-12 mm, linear to lanceolate, thick, acuminate, gland-dotted near tip, margins often scarious; receptacle flat, naked Flowers: Disk flowers 12-21; corollas 6.5-8.5 mm, pale yellow, tube << throat; anther bases weakly tailed, tips lanceolate to ovate; style branches minutely papillate, rounded-truncate Fruit: 3-4 mm, narrowly obconic, weakly angled, blackish, bristly; pappus of many fine bristles, 2-5 mm (sometimes also 15-20 slender scales 4-6 mm), straw-colored to red-brown Misc: Rocky slopes, often among boulders; < 1400 m.; Dec-May