Annuals or perennials, 50–150 cm (taproots stout). Stems erect or decumbent, sericeo-villous (hairs white). Leaves mostly cauline; mostly alternate; petioles 1.5–3.5 cm; blades deltate or deltate-ovate, 3–7 × 2–4 cm, bases cuneate, margins entire or serrulate, abaxial faces densely sericeous, gland-dotted. Heads 1–3. Peduncles 4–17 cm. Involucres hemispheric, 8–28 mm diam. Phyllaries 18–21, lanceolate, 8–10 × 1–3.5 mm, apices shortly attenuate, abaxial faces densely white-canescent. Paleae 8–11 mm, subentire to 3-toothed. Ray florets 10–13; laminae 16–25 mm. Disc florets 50+; corollas 4.5–6 mm, lobes reddish; anthers brownish red, appendages reddish (style branches reddish). Cypselae 4–8 mm, ± villous; pappi of 2(–3) lanceolate scales 1.5–3 mm plus 2–4 obtuse scales 0.5–1 mm. 2n = 34.