Perennials or subshrubs, 30-45+ cm.
Leaves cauline; petiolar bases essentially none; blades narrowly spatulate or linear, 2-6 cm × 3-5(-8+) mm, margins entire, faces sparsely and minutely hispidulous or glabrate.
Peduncles 2-5+ cm.
Phyllaries 20-26, lanceolate- to narrowly triangular-attenuate, 6-10 mm, ± sericeous to villous, not ciliate with jointed hairs.
Receptacular setae 0.5-2.5 mm.
Ray florets 8; corollas yellow, 13-20 mm.
Disc florets 50-80+; corollas proximally yellow, distally purplish, tubes 1-1.5 mm, throats campanulate, 4-4.5 mm, lobes ovate-deltate, 0.8 mm, jointed hairs mostly 0.3+ mm.
Cypselae obpyramidal, 2.5-3 mm, hairs 2.5-3 mm, inserted at bases and on angles and faces;
pappi of 10 lanceolate, aristate scales 6-9 mm (scarious bases 4-5 × 0.8-1.5 mm).
2n = 68, ca. 102. Flowering Jul-Aug. Gypseous soils, including dunes; 1100-1800 m; Ariz., N.Mex., Tex. See comments under 1.
Gaillardia pinnatifida.