Introduced, cool season, annual, prostrate to more or less erect, more or less hairy herbaceous legume. Leaves are 3-foliolate and hairless on the upper surface, with terminal leaflets 10–25 mm long and 10–32 mm wide; leaflets are marked by an upper central blotch or a very wide shield occupying the basal two-thirds of the leaflet. Stipules are strongly toothed and hairy on the lower surface. Flowerheads are 2–5-flowered; the peduncle is shorter than subtending petiole. Calyx teeth are equal in length to the calyx tube and the corolla is yellow.