Leaves: petioles 5-20+ mm; blades mostly 10-30(-120) × 3-20(-30+) mm. Peduncles 1-3+ mm. Involucres 2-3+ mm. Phyllaries: outer ± lanceolate, ± herbaceous, sericeous to strigillose, inner ultimately obovate to ± orbiculate, usually ± cucullate, scarious to membranous, usually glandular-pubescent, each ± investing a cypsela. Paleae 1.8-2+ mm. Functionally staminate florets: corollas 2.5-3 mm. Cypselae 3-8+ mm. 2n = 36. Flowering year round, mostly Oct-Feb. Alkaline soils, desert washes, flats; -20-1700 m; Ariz., Calif., Colo., Nev., N.Mex., Utah; Mexico (Baja California, Sonora).

Plant: Annual, taprooted, much-branched, 3-9 dm, generally white-hairy Leaves: petioled, generally ± densely canescent; lower 3-5 cm, opposite, lanceolate to triangular-ovate, toothed, generally 3-veined; upper reduced, alternate, ± round, ± entire INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads disciform, many; involucre cup- to bell-shaped; phyllaries generally 3-5, 2-5 mm, reflexed in age Flowers: Pistillate flowers generally 2; corolla 0; style branches long; Staminate flowers: 5-20; corolla ± 3 mm, greenish to dull purple; anthers free, exserted, filaments fused, attached at corolla tube base Fruit: 3-6 mm, ± keeled, glabrous, compressed, winged, falling with chaff scale, wings toothed; pappus 0 Misc: Sandy soil; < 1300 m.; Sep-Jan Notes: Leaf surface white-pilose, strigose and glandular.Hairs are multicellular.Phyllary tips are herbacious, subscarious, and accrescent. References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. A Utah Flora.ASU specimans