Annual herb 10–60 cm high. Leaves obovate to oblanceolate in outline, 2–20 cm long, 5–30 mm wide, obtuse, base attenuate, margins toothed to pinnatifid, glabrous or with a few hairs mainly on margins. Capitulum 4–16 mm diam.; scapes 1–few, erect, simple or branched; peduncle hardly inflated below capitula; outer involucral bracts ovate; inner involucral bracts narrow-lanceolate, 8–17 mm long, reflexed in fruit, glabrous. Ligules 2–5 mm long, hardly exceeding involucre, bright or pale yellow. Outer cypselas obconical, 2.5–6 mm long, truncate; inner cypselas fusiform, 6–12 mm long, beaked; pappus 2-seriate, inner plumose bristles 9–15 mm long, outer scabrous bristles 3–6 mm long. Flowers mostly Aug.–Dec.