Calyx hairy; tube c. 4 mm long; lobes 9–18 mm long, the upper two united for one-fifth to two-thirds of their length, the lower equally long.
Flower pink to purple, 17–22 mm long; pedicel 0.5–2 mm long, not expanding as the pod matures; bracteoles 4–5 × 1.5 mm.
Standard with 2 parallel widely spaced weak appendages; keel without a beak, slightly twisted towards the left.
Peduncle 9.5–23 cm × 2–4 mm, hairy; rhachis 0.2–2.5 cm long, 2–5-noded, lower internodes 2–13 mm long.
Pod 5–6.5 cm × c. 8 mm, linear, slightly compressed, densely hairy, with a curved beak.
Seed 4–5 × 3–4 × c. 2.5 mm; hilum central 1.5 mm long; rim aril reduced.
Perennial herb with several annual erect stems from a woody rootstock.
Stem hairy, up to c. 60 cm tall.
Ovary 6–8-ovuled.