Home
Leaves 7–25 cm long; petiole (0.8)1–5 cm long; rachis deeply canaliculate with raised and winged margins; leaflets in 6–18 pairs, widely spaced or overlapping; middle leaflet or the one next to the proximal the largest; proximal leaflet pair 1–5 × 1–2 cm, the middle 2.5–8 × 1–3 cm, each 2–3 times longer than broad, narrowly triangular, ovate to oblong, sometimes falcate, acute or rounded at the apex, obliquely rounded, cordate or truncate at the base, glabrous or pubescent; midvein central or subcentral, with 3–5 secondary veins diverging from the proximal leaflet base.
Stipules caducous, 15–35 × 1–5 mm, shortly connate at the base, filiform, linear, lanceolate-falcate to subfoliaceous; auricles 1–17 × 0.5–9 mm, reniform to subcircular, caducous independently of the stipules.
Pods 7–20 × 2.5–5 cm, oblong to obovate, rounded to obtuse at the apex with a 4–8 mm long apical beak, light to dark brown, with spreading or suberect ventral flanges up to 7 mm wide.
Inflorescences in terminal and/or axillary panicles to 10 cm long, glabrous or pubescent with dark or rusty hairs; bracts 2.5–4 × 1.5–3 mm, ovate to oblong, acute at the apex.
Tree 4–30 m tall; bark deeply or shallowly fissured longitudinally, often coarsely reticulate, flaking in thick irregular scales, dark grey.
Sepals 5, 2–4 × 0.5–5 mm, oblong, obovate, lanceolate or imbricate, the proximal and lateral sepals often fused.
Ovary 4–6 × 1.5–2 mm, up to 8-ovulate; stipe to 2 mm long, densely pubescent; style up to 12 mm long.
Flowers 4–6 × 3–4 mm; pedicels up to 2.5 mm long; bracteoles 6–8 × 3–4 mm, obovate or orbicular.
Stamens 10, united to 1 mm at the base, filaments 10–20 mm long.
Petals 0–4, up to 2.5–3 × 0.5 mm, linear to spathulate.
Seeds 2–6, 12–15 × 10–15 mm, oblong to ovoid.
Dormant axillary buds much flattened.
