Erect tree to 45 m. high, with brown, glabrous branches. Leaves simply pin-nate, bijugate; petioles and petiolules rugose-verrucose, the former 2-5 cm. long, the latter about 3 mm. long; rachis more or less plane above, terete below, 2.5-9.5 cm. long, glabrous; leaflets opposite, asymmetrically ovate to oblong-acuminate, 6-18 cm. long, 4-7 cm. wide, apically obtuse or acute, basally somewhat inequi-lateral, coriaceous, glabrous, reticulate, dull below. Inflorescence terminal or sub-terminal, densely spicate, 8-10 cm. long. Flowers white, sessile; calyx glabrous, with a short tube, the lobes orbicular, ciliate, unequal, 3-4 mm. long; petals oblong, attenuate basally, rounded-emarginate apically, about 6 mm. long and 2.5-3 mm. wide, marginally scarious-ciliate; fertile stamens 5, 7-8 mm. long, with thick filaments, the anthers lanose-barbate apically; ovary subsessile, lanose, 2-to 3-ovulate; style glabrous. Legume monoseminate, up to 25 cm. long and 13 cm. broad, glabrous, woody-coriaceous, dehiscent; seed up to 18 cm. long and 12 cm. broad.
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