Subshrubs, 15-30 cm. Stems glabrous. Leaves: basal absent at flowering; cauline blades 1-nerved, linear to filiform, 0.5-1 mm wide, reduced distally. Heads borne singly or (sessile in glomerate clusters of 3-5) in loose arrays. Involucres narrowly campanulate (lengths ± equaling diams.), 3-4 mm diam. Phyllary apices flat. Ray florets 4-9; corollas yellow, 2.3-4(-5.4) mm. Disc florets (8-)10-12(-17). Cypselae 1-1.2 mm, faces densely strigoso-sericeous (hairs ± twisted, apically attenuate); pappi of 1-2 series of oblanceolate scales 0.5-1 mm. 2n = 8. Flowering Apr-May and/or Aug-Oct. Grasslands, Larrea flats; 400-1200 m; Ariz.