Standard patent-reflexed, c.12 mm long, blade subcircular, 10–11 mm in diameter, with calluses at the base, glabrous on the back; wings obovate, 12.5–13.5 × 3.5–4 mm, auricle c.1 mm long, acute, claw 1.5 mm long; keel petals 12–13 × 5–7 mm, arcuate-cucullate, auricle acute, claw 1.5–3 mm long.
Inflorescence a panicle up to 30 cm long, usually precocious in the axils of fallen leaves, or occasionally terminal on a leafy shoot, brown-grey-tomentose.
Calyx 4–6 mm long, upper tooth-pair c.3 mm long, retuse, the lateral ones 1.5–3 mm long, obtuse to acute, the lower one 2.5–4 mm long, triangular-acute.
Pod 1–4-seeded, up to 10 × 2 cm, linear, rounded at the apex, cuneate at the base, chartaceous, thinly pubescent; stipe c.3 mm long.
Ovary 5–7-ovulate, 6 mm long, shortly stipitate, densely pilose; style 3 mm long, glabrous.
Branchlets pubescent, soon glabrescent; bark red-brown, becoming greyish and cracking.
Tree or shrub up to 10 m tall, crown rounded or spreading; bark rough, dark.
Flowers pink to blue, 10–13 mm long.
Mature seed not seen.