Tree up to 30(-40) m by 80 cm, rarely with up to 1 m high buttresses. Branchlets 4-10 mm thick; young parts, inflorescences, rhachis, petiolules and underside of the midrib densely and minutely ferrugineously pubescent. Leaves (2-)4-7-jugate, sometimes the leaves are fully glabrous. Leaflets ovate to oblong, 3-20 by 1½-7 cm, rather rigidly chartaceous, glabrous except the midrib underneath; base rounded to broadly cuneate; apex rather abruptly, slender and acutely acuminate; nerves 8-15 pairs (angle 55-70°), slightly curved, often arching. Inflorescences: ♂ broadly paniculate, 13-30 cm long, main branches up to 19 cm; female narrowly paniculate, 4.5-25 cm long, branches up to 7 cm. Flowers 4-6 mm long, densely pubescent; cupular receptacle 2-2.5 mm high. Sepals 1.5-2 mm. Ovary in female flowers densely pubescent, in ♂ ones slightly pubescent to glabrous. Fruits slightly oblique, ellipsoid, 4½-6¼ by 2.25-3 by 1¾-2½ cm, finely glabrescent, yellow. Seed 1(-2); cotyledons on the seedling leafy, 8 by 6 cm, with cordate base and acutely acuminate apex.
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A tree. It grows 40 m high. The leaves are alternate and compound. Male and female flowers are on separate trees. The flowers are 6 mm across. They are yellow. The fruit are fleshy with one seed. They are 5 cm long and yellow.
Non-inundated primary forests, in Malaysia only at low altitudes, in Ceylon up to 900 m, in Sarawak at c. 800 m, in Sabah at c. 1200 m alt. Fl. Mainly Aug.-Jan.; fr. Sept. (Mal. Pen.), Jan.-Febr. (Sum.).
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A tropical plant. It grows in lowland forests up to 1,200 m above sea level.