Leaves 14–26 cm long; petiole 2–5.5 cm long, rachis 8–18 cm long; petiolules 3–6 mm long; leaflets (3)4–6(7) on each side of the rachis, occasionally subopposite, 2–6(8) × 1.5–3.5(4) cm, ovate to oblong-ovate or elliptic, obtuse or acute at the apex, broadly obtuse or cuneate at the base; lateral nerves in 4–7 pairs, reticulation on both surfaces scarcely visible; stipules 8–12 mm long, elliptic, acute, falling very early.
Pod 1–3-seeded, flat, thin, 3.5–8(10) × 1–1.5 cm, coriaceous, slightly impressed-reticulate or smooth, slightly thickened and blackish over the seeds, rounded or obtuse to acuminate-acute at the apex, narrowly cuneate or narrowed at the base; stipe 6–10 mm long.
Standard subcircular to obovate, claw 2 mm long; wings as long as the standard, obovate, with auricle rounded and claw 2 mm long; keel petals broader than the wings, dorsally slightly connate at the apex, with auricle subacute and claw c.3 mm long.
Seedling (Fanshawe 4178), germination epigeal; cotyledons 10 × 4 mm, oblong; first 2–3 true leaves 3-foliolate, the terminal leaflet larger than the laterals; next leaves 5-foliolate.
Inflorescences of axillary and terminal spreading panicles, 4–10 cm long; bracts and bracteoles 1.5–2 mm long, falling before anthesis.
Calyx 3–4 mm long, glabrous; upper teeth shallow-lobed, the lateral ones c.1 mm long, the lower one 1.5–2 mm long, triangular-acute.
Unarmed tree or erect shrub 4–15 m high; crown spreading or irregular; bark pale brown, longitudinally shallow-fissured.
Flowers white or cream, 5–6 mm long, sweet-scented; pedicels 1.5–4 mm long.
Ovary 3–5-ovulate, glabrous; style 1.5 mm long; stipe 2.5 mm long.
Seed 5 × 4 × 1.5 mm, reniform; testa blackish-brown.
Stamens 9–10, connate in a single phalange.
Young parts glabrous, rarely hairy.
A tree or shrub 12–30 ft. high
Flowers white.