Annual herbs to c. 6 cm high, simple or branched. Leaves oblanceolate, obovate, elliptic or narrowly elliptic, 2–11 mm long, 0.4–1 mm wide, apex sometimes hyaline, usually with a dense cover of scale-like hairs. Compound heads narrowly oblong, 5–25 mm long, 2–3.5 mm diam. Capitula 40–150 per compound head; capitulum-subtending bracts 1.6–2.3 mm long; capitular bracts 2, concave, upper margins ciliate; florets (1–)2(–4) per capitulum; corolla 3- or 4(–5)-lobed. Cypselas c. obovoid, 0.4–0.5 mm long; pappus absent. Flowers Sep.–Nov.