Perennials to c. 3 m high, with rhizome villous, otherwise ± glabrous. Leaves ± abruptly broadening from petiole-like to broad-laminate, to 20 cm long, with l:w ratio 3–7; base without auricles; margin crowded-serrulate; reticulate venation distinct on lower surface. Capitula several to many per stem; calycular bracteoles 5–10, 2.5–8 mm long; involucre 7–10 mm long; 3–5 mm diam.; bracts 10–12. Florets 20–35; ligulate florets 5–8; ligule 10–15 mm long, 4-or 5-veined. Achenes narrowly obloid, 4–6 mm long. Pappus caducous, 6–8 mm long.
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