Erect sprawling or decumbent annuals or subshrubs to c. 2 m high. Leaves undivided or variably divided, 0.5–12 cm long, slightly fleshy or not, thin on pressing or not; base of upper-branch leaves sometimes becoming dilated, narrow basal segments sometimes present, developing from a narrow or dilated base; margin entire, denticulate, dentate or serrate; undivided leaves with l:w ratio c. 1–50; divided leaves with 1–7 segments per side. Capitula 1–40 per stem or branch; calycular bracteoles 6–16, 0.5–3.5 mm long, 0.3–2.2 mm wide, subacute to acute; involucre 3–7.5 mm long, 2–5 mm diam.; bracts mostly c. 13, sometimes c. 20; broader stereomes of inner bracts 0.5–1.3 mm wide. Ligulate florets 8–13, not more than involucral bract number; ligule 6–20 mm long. Achenes (1.6–) 2.0–4.5 mm long, 1/3–2/3 length of involucral bracts, golden, light to dark brown, olive or sometimes reddish, with papillose hairs in bands, in varying densities, or glabrous. Pappus generally not persistent, 3–6 mm long.
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