Perennials, 10–30 cm (taproots thick, caudices swollen, often covered by old leaf bases). Stems 1–3, erect (often reddish), stout, mostly simple, sparsely to densely tomentose, often stipitate-gland-ular proximally. Leaves basal and cauline; petiolate (at least basal); blades elliptic, runcinate, 8–20 × 2–5 cm, margins pinnately lobed (lobes broadly lanceolate, coarsely dentate, midribs often reddish), apices acute, faces sparsely to densely tomentose, stipitate-glandular. Heads 2–22 (1–3 per branch), in cymiform arrays. Calyculi of 8–10, deltate or lanceolate, tomentose bractlets 3–8 mm. Involucres cylindric, 11–21 × 5–15 mm. Phyllaries 10–14, lanceolate, 10–14 mm (margins yellowish), apices acute, abaxial faces glabrous or ± tomentose, sometimes setose and stipitate-glandular, adaxial glabrous or with fine hairs. Florets 11–40; corollas yellow, 16–20 mm. Cypselae dark or pale brown to yellowish, fusiform, 6–11 mm, apices ± tapered, ribs 10–13; pappi whitish, 6–13 mm. 2n = 22, 33, 44, 55.
Home