Perennials or subshrubs, 10–100 cm; caudices branched, usually woody, taproots 2–18+ cm. Stems 1–30+, branched throughout or in distal 1 / 2 – 2 / 3 , moderately stout to stout, not wiry, hairy or glabrous, often stipitate-glandular. Leaves: basal sometimes withering by flowering, blades 1.5–3 × 0.8–1.3 cm, pinnatifid to 2+-pinnatifid; cauline variously spaced, blades oblong to lanceolate, 0.2–8 × 0.1–3 cm, not reduced markedly distally, margins deeply lobed to coarsely dentate or ± entire, teeth 4–18+ per side, each tipped with white bristles 0.2–1.8 mm, hairy or glabrous, often stipitate-glandular. Peduncles glabrous or hairy, often stipitate-glandular; bracts 0–3 leaflike. Involucres hemispheric to cupulate, 6–10 × 8–25 mm. Phyllaries in 5–6 series, linear to linear-lanceolate, 0.1–0.9 mm, apices acute to acuminate, tipped with white bristle, faces glabrous or hairy, often stipitate-glandular. Ray florets 14–60; corollas yellow, tubes 2.5–3.2 mm, laminae 5–12 × 1–2.5 mm. Disc florets 30–150+; corollas 4–5 mm. Cypselae narrowly obovoid, 1.8–2.5 mm, nerves 16–24, sparsely to moderately tawny hairy; pappi tawny, 4–6 mm, bristles progressively longer adaxially.
Prairies and plains in dry open places. Rocky to sandy plains and rolling hills, washes, roadsides at elevations of 300-1300 metres.
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