Dioecious tree or shrub, (0.5–)4–20 m. tall, with blackish bark; young shoots ± pubescent.. Leaves drying grey-green; petiole 6–14 cm. long; rhachis 3.5–12 cm. long, glabrous or minutely pubescent; petiolules 0.5–1.1 cm. long, thickened and ± wrinkled, pubescent; leaflets usually in 3–4 pairs (see note), oblong-oblanceolate, oblong or rarely obovate to oblong-elliptic, 5–22 cm. long, 2–8 cm. wide, often broadest just below apex, acuminate at the apex, the actual tip rounded or acute, cuneate at the base, coriaceous; midrib glabrous or pubescent near base, lateral nerves in 6–10 pairs.. Inflorescences axillary and on older wood; male condensed, 1–3 cm. long, with no space between individual flowers, densely orange-brown velvety pubescent; female 3–3.5(–8.5) cm. long, with darker ferruginous indumentum and flowers or cymules more scattered; pedicels ± 2 mm. long; bracts 3 mm. long, 1–2 mm. wide.. Male flowers: calyx-tube 5 mm. long, with unequal ovate lobes 1–3 mm. long; petals 4, yellowish white with ovate lamina and long hairy claw, 7–10 mm. long, up to 5 mm. wide, scale bilobed, 5 mm. long, apically erose and often with a long forked appendage from each lobe; disk reniform, flat, 2 mm. wide; stamens 6–11; filaments 2.4 mm. long.. Female flowers: calyx-tube 2 mm. long, lobes 2–2.5 mm. long; fertilised ovary ovoid, 3 mm. long, densely pubescent; style and stigma 3 mm. long; staminodes ± 2 mm. long.. Fruit greenish yellow, obtriangular, 3 cm. long, 2 cm. wide, deeply 3-lobed; endocarp acutely triangular in section.. Seeds oblong, 1.7 cm. long, 7 mm. wide, finely reticulate.
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