Shrubs or subshrubs, (15-)25-30(-50+) cm. Stems pannose (white). Heads borne singly. Peduncles 35-60(-80+) mm. Involucres 6-8 mm. Rays 3-6; laminae (8-)12-20 mm, spreading to reflexed in fruit. Disc florets (6-)10-17(-25). Cypselae usually glabrous, sometimes gland-dotted; pappi of 4-6 oblong to ± lanceolate scales 2-2.5 mm. 2n = 32. Flowering (Feb-)Apr-Jun(-Dec). Creosote-bush scrub, sandy washes; 100-2100 m; Ariz., Calif., Nev., Utah; Mexico (Baja California, Sonora).
Plant: Perennial, subshrub 2-6 dm; stems erect, densely white-tomentose, openly branched Leaves: 1-8 cm, simple, alternate, linear, entire, tomentose or becoming glabrous INFLORESCENCE: heads 1-few, radiate, solitary or in cymes; peduncles 3-8 cm; involucre 3-5 mm diam, cylindric; phyllaries in 2 series, outer 5-8, 6-8 mm, lanceolate, ± soft hairy, inner 4-5, shorter, membranous; receptacle flat, naked Flowers: Ray flowers 3-6; ligules 8-18 mm, ovate, 3-lobed, reflexed when dry; corollas yellow, fading to cream, persistent on fruit; Disk flowers 10-25; corollas 4-5 mm, yellow, densely hairy; anther tips triangular; style tips truncate Fruit: achenes, 2-3 mm, glabrous or sparsely glandular, cylindric (or ray achenes slightly flat), ribbed; pappus scales 1-2 mm, unequal, transparent Misc: Dry plains, hillsides, washes; 150-1500 m.; Apr-Jun, Oct-De Notes: Pappus hyaline and paleacious. References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of North Arizona. Hickman, ed.; The Jepson Manual. A Utah Flora. ASU specimans