Annuals, 3–15(–35+) cm. Leaf blades 10–25(–35+) overall, lobes or leaflets 0 or 3–5, linear to filiform, 10–25(–35+) × 0.5–1.5+ mm. Heads borne ± singly. Peduncles 10–50+ mm. Involucres 9–12+ × 1–2 mm. Ray florets 0–1+; laminae ochroleucous to yellowish, ± oblong, 1.5–2.5 mm. Disc florets 5–6+; corollas 2.5–3.5 mm. Cypselae 7 mm; pappi of 2 ± subulate-aristate scales 4–5+ mm plus 2 distinct, oblong to ovate, ± erose scales 1.5–2.5 mm. 2n = 24.

Flowering Aug–Sep. Disturbed sites, moist soils in meadows, juniper woodlands, pine forests; 1500–2600 m; Ariz., N.Mex., Tex.; Mexico.