Perennials, 8–40 cm; taproots deep, caudices swollen, (often covered with old leaf bases). Stems 1–3, erect, stout, branched from bases or beyond, hispid, tomentose, or tomentulose, sometimes stipitate-glandular distally. Leaves basal and cauline; petiolate; blades elliptic, runcinate, (5–)8–20 × 2–5 cm, margins pinnately-lobed to sinuously dentate (lobes broadly lanceolate, often dentate), apices acute or acuminate, faces gray-tomentose, sometimes stipitate-glandular. Heads 2–30, in loose corymbiform arrays. Calyculi of 6–8, lanceolate or linear, glabrate to tomentose bractlets 2–6 mm. Involucres cylindric, 11–19 × 5–10 mm. Phyllaries 7–13, lanceolate, 12–15 mm, (bases thickened, keeled, margins green, often scarious) apices acute or acuminate, abaxial faces gray-tomentose, sometimes setose (setae black or greenish) or stipitate-glandular, adaxial glabrous or with fine hairs. Florets 10–40; corollas yellow, 18–22 mm. Cypselae golden or dark brown, subcylindric, 6–10 mm, apices tapered (not beaked), ribs 10–18, strong and rounded; pappi yellowish white, 10–12 mm (bristles unequal). 2n = 22, 33, 44, 55, 66, 77, 88.
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