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Leaves digitately 3-foliolate; leaflets up to 4 cm long and wide, obovate, emarginate at the apex, cuneate at the base, margins usually coarsely toothed towards the apex, with a distinct midrib and 4 primary lateral nerves on each side, green blotched with white in the centre, glabrous above, subglabrous to pilose beneath; petiole 3–30 cm long, pilose; stipules 6–10 mm long, ovate, acute, scarious.
Calyx c. 7 mm long, the 2 upper lobes connate almost to their tips, the lateral lobes triangular-lanceolate, the lowest lobe longer than the 2 lateral, glabrous to sparsely pilose.
Pod 15–25 × 4–5 mm, narrowly oblong, shortly beaked, glabrous or rarely pilose, tardily dehiscent or sometimes forced open by seeds germinating inside.
Inflorescence 1–2(3)-flowered; peduncle 1.5–25 cm long, ascending; bracts similar to stipules but smaller.
Stems slender, rooting at the nodes, lacking tubers, glabrous to sparsely pilose.
Seeds 2–2.5 × 1.8–2 mm, slightly reniform, brown, sometimes mottled darker.
Flowers sweetly scented, on pedicels 1.5–6 cm long, reflexed in fruit.
Ovary glabrous; style slender, glabrous; stigma minute, capitate.
Creeping prostrate herb, forming ground cover.
Stamens glabrous.
