Plants rounded, densely branched from bases. Stems glandular. Petioles filiform, 2-6 cm, lengths 3-10 times blades. Leaf blades 3-10+ mm, sharply toothed, often subhastate. Corollas 4-5 mm. Cypselae 3-4 mm; pappi: scales 1-2+ mm, bristles 2-5 mm. 2n = 18. Flowering (Oct-)Mar-May(-Jun). Rocky slopes and washes, limestone outcrops, crevices of canyon walls, creosote bush scrub, acacia-mesquite; 0-200 m; Ariz., Calif., Nev., Utah; Mexico (Baja California, Baja California Sur, Sonora).

Plant: Subshrub < 60 cm Leaves: thin, opposite below, alternate above; blades 3-10 mm (<< glandular petioles), lanceolate to ± diamond-shaped, generally few-toothed, glabrous or ± glandular INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads discoid, 6-11 mm, few; phyllaries ± 25, 2.5-6 mm, glandular, tips darker, generally recurved; receptacle ± flat, naked Flowers: 25-30; corollas 4-5 mm; anther bases ± rounded, tips ovate or oblong; style branches, ± 1.5 mm, club-shaped Fruit: 3-4 mm, ellipsoid to obconic, 4-5-ribbed; sides densely hairy; pappus bristles 10-16, 2.5-5 mm, scales 10-12, 1-2 mm Misc: Rocky creosote-bush scrub; < 1300 m.; Mar-May, Oct-Jan