Tree 25-40(-45) m high and 45-80 cm in diam. Leaves (2- or) 3- (or 4-)jugate; petiole 1.5-2.8 cm and rachis 4-11 cm long, both minutely puberulous, glabrescent, or almost glabrous. Stipules lanceolate, 3-5 mm long, almost glabrous except slightly puberulous on the midrib beneath and on margins, caducous. Inflorescences paniculate, up to 16(-25) cm long, lateral branches up to over 5 cm long, both rachis and branches densely pubescent; bracts and bracteoles ovate, up to 4 mm long, densely puberulous; pedicels 1-1.5 mm, densely puberulous. Flowers yellow, yellowish brown. Petal 5-6 mm long, slightly longitudinally folded and somewhat bent inward from the middle, the lower half (claw) densely puberulous outside and glabrous inside, the upper half (limb) glabrous except villose margin. Stamens: united basal parts of the filaments 2-3 mm high; free filaments and staminodes up to c. 7 mm, ciliate; 2 largest anthers ellipsoid, 2-2.5 mm long, the others (much) smaller, up to 0.75 mm long. Ovary subsessile or shortly stipitate (c. 1 mm), slightly obovate or elliptic, c. 2 mm long, densely woolly along the margins; style 8-10 mm, glabrous; stigma obscure. Seeds broadly ovoid or suborbiculate, c. 13 (-21) mm long, smooth, black; aril broader than high, often larger than the seed, smooth or rugose.
Asia-Tropical: Borneo (Brunei present, Kalimantan present, Sabah present, Sarawak present), Jambi present, Palembang present, Riau present
Malesia: Sumatra (Jambi, Palembang, Riau), Borneo (Sarawak, Brunei, Sabah, Kalimantan).
In the Arboretum, Semengoh Forest Reserve, Kuching (Sarawak), there is one tree of this species under the number 682 (see coll. S 14921, L). This species is characterized by the combination of the following characters: 1) the leaves (2-) 3- (4-)jugate, 2) leaflets thinly to rigidly coriaceous, almost glabrous except midrib pubescent below, and with finely, closely reticulate venation, 3) inflorescences and flowers densely tawny pubescent or puberulous, 4) petal slightly folded longitudinally and somewhat bent inward from the middle, and 5) pods smooth.