Erect to decumbent perennial. Leaflets 1.5-3.0 cm long, obovate to broadly elliptic, obscurely dentate; stipules ovate-lanceolate, free portion abruptly mucronate. Inflorescence a head, 7-22 mm wide, globose to ovoid, sessile or rarely pedunculate, usually with an involucre of stipules or reduced bracts. Calyx pubescent, lowest tooth longer than others and the calyx cup. Corolla reddish-purple to pink, rarely whitish. Vexillum 13-18 mm long. Fruit 1-seeded, opening by a lid.