Evergreen shrub or tree 5–15 m. high; bark smooth, red-grey (Graham U.767 in F.H. 2238) or rough (Tanner 3596); young branchlets puberulous or shortly pubescent.. Leaves: stipules not apparent (? absent); petiole 2–3 mm. long, puberulous; rhachis 0.4–1.3 cm. long (–2.7 cm. on juvenile shoots), broadly channelled or almost winged above; leaflets 4, with glabrous or puberulous petiolules, asymmetrically obovate-elliptic or elliptic, 0.7–8 cm. long, 0.5–4.4 cm. wide (larger on juvenile shoots), mostly rounded at apex, not gradually tapering, glabrous.. Racemes or panicles terminal, 2–9 cm. long; axes densely puberulous; pedicels 3.5–7 mm. long, glabrous to slightly puberulous, jointed at top below flower.. Flowers white.. Sepals 4, 3–3.5 mm. long.. Petals 5, oblong-lanceolate, ± 3.5–5.5 mm. long.. Pods smooth, 4–6 cm. long, 2–3 cm. wide, on a stipe ± 0.5 cm. long, shortly (± 2–3 mm.) beaked at apex.
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