Trifolium cernuum

Prostrate or ascending annual herb; stems 5–40 cm long, branching, glabrous. Leaves palmately trifoliolate, long-petiolate; leaflets ovate-cuneate, 4–15 mm long, 3–12 mm wide, glabrous, finely toothed, apex truncate or emarginate; stipules white-membranous. Inflorescence 8–20-flowered, axillary, umbellate to globose, c. 10 mm long, c. 10 mm wide, shortly pedunculate; pedicels c. 2 mm long, becoming recurved in fruit. Calyx c. 4 mm long, more or less glabrous, tube cylindric, 5–20-veined, throat open, teeth sub-equal, as long as tube or shorter, spiny, erect in fruit; corolla 4–5 mm long, pink, persistent; standard obovate, spoon-shaped, deeply emarginate. Pod obloid, 3–4 mm long, membranous, exserted from calyx tube; seeds 1–4, ovoid, c. 1 mm long, yellow. Flowers mainly Sep.–Jan.