Leaves 7–20 cm long; petioles (15)20–40 mm long; rachis shallowly canaliculate above, margins neither raised nor winged; leaflets in 3–5 widely spaced pairs, increasing in size distally, 1–2 times as long as broad, 3–11 × 1.5–6 cm, quadrate, lanceolate or narrowly ovate, acute, rounded, obtuse or emarginate at the apex, obliquely round or cuneate at the base, with 2–3 secondary veins from the proximal leaflet base.
Stipules caducous, free, erect, 10–30 × 3–10 mm, lanceolate, elliptic, falcate or subfoliaceous, midveins subcentral, acute at the apex; auricles absent.
Tree to 20 m tall; bark shallowly fissured longitudinally or coarsely reticulate, flaking in thick rectangular scales, light to dark grey.
Flowers up to 3–5 × 1.5–2.5 mm; pedicels up to 2 mm long; bracteoles 3–5 × 2.5–4 mm, obovate or orbicular.
Sepals 5, up to 3 × 1.5 mm, ovate or oblong, imbricate or valvate, sparsely ciliate on the margins.
Pods 7–12 × 2.5–4 cm, oblong to obovate, with suberect or revolute ventral fringes.
Ovary 2.5–3 × 1.5 mm, densely pubescent, up to 7-ovulate, stipe to 2 mm long.
Inflorescences in terminal and/or axillary panicles 5 cm long.
Stamens 10, united to 2 mm at base; filaments 6–10 mm long.
Seeds 15–20 × 10–15 mm, oblong to circular.
Petals 1–2, 2 × 1 mm, filiform or linear.
Dormant axillary buds globose.