Tree 10-25 (-40) m; trunk straight, often with knobs, up to 70 (rarely-100) cm ø; crown dense; bark grey to yellowish, shallowly irregularly fissured or cracked; slash outer bark pink, fibrous, turning pale brown. Branches slender. leaves oblong to elliptic-or ovate-oblong, apex shortly subacutely acuminate, base obtuse to rounded, thick-membranaceous to subcoriaceous, deep to pale green when fresh, grey to yellowish olivaceous or brownish in dry specimens, smooth and shining above, practically without pellucid points, (10-) 12-18 (-24) by 4-8 cm; nerves 5-7 pairs (the lowest pair close to the base), curved-ascending, flat above, raised beneath, veins transverse, slightly prominent beneath; petiole slightly swollen distally, 1.5-2 (-2.5) cm. Cymes solitary or fascicled, 3-7-flowered, on puberulous peduncle 5-10 mm, which bears a few basal very small caducous bracts; pedicels glabrous, 3-5 mm. ebracteate and ebracteolate already at anthesis. Calyx patelliform, tube rather inconspicuous, 4-5-angular, teeth obscure, c. 3 mm ø. Petals ovate-lanceolate, papillose-ciliolate, glabrous outside, densely hairy inside, greenish white, reflexed at apex, (6-) 8-10 by 2-3 mm. Filaments ciliate at the free top; anthers ovate-oblong, 0.5 mm. Ovary deeply 5-furrowed lengthwise; style thick-columnar, as long as ovary; stigma obscurely 5-lobed. Drupe obovoid-oblong to almost turbinate, apex truncate and a little impressed, crowned by the remains of calyx, disk and style, the latter forming a hard beak, green, 2-4 by 1.5-2.2 cm; pericarp thin, fleshy; endocarp woody, 0.5 mm.
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A tall tree. It can grow 26 m high but is usually smaller. The crown is dense. The bark is yellowish-grey and can be cracked. The leaves are smooth on the upper surface. The flowers are in a group at the top of the flowering stalk. These are in the axils of the leaves. The fruit are fleshy but cut off at the top.
Lowland rain-forest, also secondary forest, mixed Dipterocarp forest, undulating country, up to c. 600 m, scattered though locally common.
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Lowland rain-forest, also secondary forest, mixed Dipterocarp forest, undulating country, at elevations up to 600 metres.
A tropical plant. It grows in lowland rainforest. It grows up to 600 m altitude.
Uses. Young leaves are edible and have the taste of katjang, i.e. various Leguminosae. Wood moderately durable, hard and heavy, light yellowish brown, locally used for house constructions and cabinet work.
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The leaves taste like beans and are eaten raw or cooked.
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