Inflorescences axillary, shorter than the leaves, 5–6 cm long, 5–6-flowered, glabrous or sparsely setulose; peduncles 1.5–2 cm long; pedicels 2.5–6.5 mm long; bracts deciduous or subpersistent, 2-fid or 3-fid, the lobes 2.5–5 × 0.5–0.8 mm, lanceolate; bracteoles 3.5 × 0.5–1 mm, lanceolate, acute.
Perennial prostrate herb with 5–20 branches 8–20 cm long from a tuberous rootstock which bears narrow roots 11–15 cm long; young shoots sparsely setulose.
Standard apricot-coloured, 7.5–9.5 × 3.5–4.5 mm, somewhat violin-shaped, slightly widened above; wings free; keel petals not laciniate.
Calyx glabrous, 2-lipped; lips 6–7.5 × 3–4 mm, ovate-oblong, one subacute, the other minutely 3-fid.
Fruit of 1–2 articles joined by a narrow neck; articles ± semicircular, 6 × 3.5 mm, glabrous.
Seeds not seen.