Flowers violet-red or purple; standard [16 × 13], c. 12 mm in diameter, round, auriculate at the base and with 2 close calli near the base; claw 2 mm long, channelled; wings (10)13 mm long including the 3.8 mm long claw, the spur narrow, almost as long as the claw, blade rounded, 5 mm wide.
Inflorescences axillary and terminal, branched at the base, the axillary ones shorter than the leaves, [5] 7–17 cm long, the terminal ones 30 cm long or more; pedicels 5–8 mm long; bracts 5 [7] × 1.5 [5] mm, lanceolate; bracteoles 6 mm long, linear; all parts fulvous pubescent.
Calyx tube 4 mm long; lowest lobe 12 × 3 mm, the rest 7.5 × 1.8–2.5 mm, lanceolate, the upper pair joined for just over half their length.
Subshrub 0.9 [2.5]* m tall; stems ridged, shortly ferruginous pubescent.
Pods 5.5 × 1.2–1.6 cm, oblanceolate-falcate [not known].
Ripe seeds not seen.