Tree c. 20 m. Branchlets 8 mm thick, glabrous; pith fibrous by many, scattered small vascular strands, which may also be mainly peripherally arranged. Twigs up to 11 mm ø. Stipules linear, tapering to an acute point, 4 by 1 mm, very caducous, inserted on the twig near the base of the petiole, leaving a minute scar. Leaves 3-8-jugate, glabrous. Leaflets ovate-lanceolate, 11-20 by 2.5-7 cm, stiff-chartaceous; base rounded to broadly cuneate; margin entire; apex gradually narrowed into a short, broad and blunt acumen, acumen sometimes long and slender; nerves 10-17 pairs (angle 65-75°), straight to faintly curved, more strongly curved towards the margin, more or less distinctly arching at some distance from it. Inflorescences and flowers unknown. Infructescences axillary, racemose, 3-20 cm long, with 1-3 fruits, glabrous; calyx flat, 3-angular, 6-8 mm diam., lobes reflexed. Fruits ellipsoid, acuminate at base and apex, narrowly triangular in cross-section, 4-4½ by 2½-3 by c. 1¾ cm, glabrous; pyrene deeply furrowed, angle-ribs very prominent, as are the median ribs of the lids; lids 3½ mm thick. Fruits, if 1-seeded, flattened in cross-section. Seeds 1-2; fertile cells long and narrow, sterile ones nearly fully reduced.
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