Leaves 5-30 cm. Peduncles 5-40 cm. Involucres 10-40 mm after flowering. Phyllaries reflexed in fruit, oftenreddish, outer 2-8, inner 3-18. Ligules 2--10 mm, equaling or barely surpassing phyllaries at flowering . Cypselae 7-17 mm; pappi: scales 5-15 mm, apices notched 1-2 mm, bristles delicate, 4-6 mm. 2n = 18. Flowering Mar-May. Grasslands, shrub steppe, open oak woodlands. chaparral, s coastal scrub, deserts, usually well drained soils on slopes, road banks, serpentine gravels, sandy desert flats; 10-1800 m; B.C.; Ariz., Calif., Idaho, Nev., N.Mex., Oreg., Tex., Utah, Wash.; Mexico (Baja California, Sonora). Uropappus lindleyi grows in the Columbia-Snake Rivers Plateau Province, Basin and Range Province, Interior Mountains and Plateaus System, and the Pacific Border System.
Plant: Annual forb 20-40 cm, ± scapose; sap milky Leaves: leaves in basal rosette, pinnatisect, 5-30 cm, ± linear, long-tapered, ± soft-hairy (especially petiole base) INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads ligulate, solitary, erect; involucre 10-40 mm, glabrous; phyllaries narrowly lanceolate, outer progressively shorter; receptacle naked Flowers: 5-many; corollas yellow (often reddish below), readily withering, < or = involucre Fruit: 7-17 mm, slender, tapered to tip in CA, obscurely 10-ribbed, generally blackish; outermost fruits scabrous; pappus scales 5, 5-15 mm, deciduous, smooth, silvery, bristle-tip 4-6 mm, slender, smooth, from notched scale tip Misc: Open grassland, woods, chaparral, deserts, generally in loose soils; < 1800 m.; Apr-May References: Jepson manual, Arizona Flora, ASU specimens