Perennials, 25–60 cm (taproots stout or slender, caudices swollen, simple or branched, covered with brown leaf bases). Stems 1–2, erect, branched (proximal branches elongate, branched distally), ± tomentose-canescent. Leaves basal and cauline; petiolate (petiole bases clasping); blades elliptic-lanceolate, 10–40 × 2–9 cm, margins pinnately lobed (lobes remote or close, entire or dentate), apices acute or acuminate, faces densely or sparsely gray-tomentose. Heads (10–)20–60, in ± flat-topped, compound, corymbiform or paniculiform arrays. Calyculi of 6–8, narrowly triangular, tomentulose bractlets 2–4 mm. Involucres narrowly cylindric, 10–16 × 3–5 mm. Phyllaries 7–10, (medially green) lanceolate, 10–13 mm (margins scarious), apices acute, abaxial faces ± tomentulose, sometimes with greenish eglandular setae, adaxial with fine hairs. Florets 7–12; corollas yellow, 14–30 mm. Cypselae yellow or golden brown, subcylindric, 6–9 mm, tapered distally, ribs 10–12 (smooth); pappi dusky white, 7–10 mm. 2n = 33, 44, 55, 88.
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