Perennials, 20–45+ cm; subrhizomatous (bases weakly branched, ascending to erect). Stems 1 or 2–4, loosely clustered, glabrous or sparsely tomentose proximally. Basal leaves petiolate; blades lanceolate to narrowly elliptic or oblanceolate, 30–60+ × 10–20+ mm, bases tapering, sometimes obtuse, margins subentire to dentate or serrate. Cauline leaves gradually reduced (proximals petiolate, sublyrate; mids sessile, not clasping, lanceolate, dissected, incised, or lacerate; distals sessile, bractlike). Heads 2–10+ in loose or compact, corymbiform arrays. Peduncles usually bracteate, sometimes ebracteate, glabrous. Calyculi inconspicuous. Phyllaries 13 or 21, green, 5–8+ mm, glabrous. Ray florets 0, 8, or 13; corolla laminae (pale yellow) 5–10+ mm. Disc florets 50–65+; corolla tubes 2–3 mm, limbs 2–3 mm. Cypselae 1–2 mm, usually glabrous, sometimes hispidulous on ribs; pappi 3.5–4.5 mm. 2n = 44, 46, 92.
