Perennials, 20–50+ cm; fibrous-rooted (caudices creeping). Stems 1 or 2–3, loosely clustered, glabrous. Basal leaves (and proximal cauline) petiolate; blades ± orbiculate to oblong, or lyrate (lateral lobes 1–3 pairs, sinuses usually rounded, midribs usually winged), 50–120+ × 30–70+ mm, bases cordate to subcordate, margins shallowly to deeply incised. Cauline leaves gradually reduced (petiolate or sessile and clasping; lanceolate, incised). Heads 8–15+ in corymbiform or subumbelliform arrays. Peduncles ebracteate or inconspicuously bracteate, glabrous. Calyculi conspicuous. Phyllaries (8), 13, or 21, dark green, 5–8 mm, glabrous or sparsely tomentose proximally. Ray florets 8 or 13; corolla laminae 10–15+ mm. Disc florets 30–45+; corolla tubes 3–4 mm, limbs 3.5–4.5 mm. Cypselae 2.5–3.5 mm, glabrous; pappi 5–7 mm. 2n = 46.
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