Calyx pilose; tube 1 mm long; lobes 1.5 mm long, triangular, apex subulate, the upper pair fused along almost all their length.
Pod 2.4–3.4 cm × 2 mm, linear, with a narrow wing-like ridge either side of the sutures, glabrous, beaked, 3–5-seeded.
Flowers axillary, solitary in the axils; pedicels 1 mm long; bracts and bracteoles 1–1.5 mm long, narrowly lanceolate.
Standard greenish-yellow, 8 × 5 mm, obovate, with appendages 3 mm long; wings 7 × 1 mm; keel 7 × 2 mm.
Prostrate herb up to 50 cm long; rootstock unknown.
Seeds 4 × 2 × 1 mm; hilum minute, white.
Stems slender, sparsely pilose.
Ovary 4 mm long, glabrous.