Shrub or tree up to 25 m. high; bark smooth, grey-brown to dark brown; branchlets brown-puberulous to shortly brown-tomentellous, soon glabrescent.. Leaves: petiole with rhachis 4–12.5(–15) cm. long; leaflets elliptic to lanceolate, 2.5–10.8(–12.5) cm. long, 1–4.9(–6) cm. wide, narrowly acuminate, ± pubescent or puberulous on midrib beneath, more sparingly so on lateral nerves and surface.. Flowers white.. Pedicels ± 6–11 mm. long, dark-brown-tomentellous; bracteoles ± 7–12 mm. long and 7–8 mm. wide, dark-brown-tomentellous outside, more shortly so inside.. Hypanthium 4–7 mm. long, patchily puberulous to subglabrous.. Petals oblong-oblanceolate, 10–12(–15, fide Harms) mm. long, 3–5 mm. wide, pubescent on claw.. Pods obliquely rotund to oblong-elliptic, 4–9.5(–12.5, fide Semsei 3014) cm. long, 3.7–5 cm. wide, densely brown-tomentellous or shortly tomentose.. Seeds ± 3.7 × 3.1 cm., compressed.. Fig. 31.