Annual, prostrate or ascending, pubescent with spreading hairs and glands. Leaves long-petiolate; blade usually 5-lobed, divided to about two-thirds of the radius; lobes 3–10 mm wide at the base, obovate, pinnatifid in upper part, pubescent. Inflorescences (1–)2-flowered; peduncle 0–5 cm long; lower flowers often cleistogamous; pedicel 2–25 mm long, glandular hairy. Sepals narrowly ovate, 4–6 mm long, mucronate. Petals 6.5–8 mm long, mauve or pink with dark purple centre. Mericarps 3–3.5 mm long, deeply transversely rugose, the ridges minutely pubescent and with short longitudinal crests; mature beak 8–14 mm long. Seeds ca. 2.5 mm long, minutely reticulate, brown.