Author: Ridley
Morphological description
Tree to 30 m high and 66 cm in diameter; buttresses to c. 2.4 m high. Stipules intrapetiolar, subulate, 2-3 mm long, deciduous.
Leaves 2 or 3(or 4)-foliolate, shortly petioled; petiole and rachis c. 1 cm long, brown puberulous, glabrescent, prolonged beyond the upper petiolule into a very short tip; petiolules c. 5 mm, densely brown puberulous when young, glabrescent. Leaflets chartaceous, obovate, obovate- or elliptic-oblong, or elliptic, 8.5-13.5(-18) by 3.5-6(-8) cm; apex shortly bluntly acuminate, or acuminate; base obtuse or rounded, often symmetric; on the upper surface puberulous when young, glabrescent, or almost glabrous when old; glaucous and finely, uniformly, appressed, rather densely when young, puberulous on the lower surface; nerves c. 5 per side.
Inflorescences racemose, axillary or terminal, up to 12 cm long, erect, the rachis densely puberulous; bracts small, triangular, c. 1 mm long, puberulous outside, ciliate on the margin; bracteoles almost at the base of the flower, minute, ovate, c. 0.5 mm long; pedicels very short, 1-2 mm long, articulated at the base, minutely puberulous.
Flowers minutely, appressedly puberulous outside. Hypanthium c. 1 mm long, glabrous inside. Calyx lobes ovate or elliptic, 3-5 by 2-2.5 mm, glabrous inside, ciliate on the margin, with 3 obscure, longitudinal veins. Stamens (9 or)10; filaments 3-7(-10) mm; anthers c. 1 mm long. Pistil stipitate; stipe free, 0.5-1 mm long, glabrous or hairy at the apical part; ovary 2-3 mm long, (3 or)4(or 5)-ovuled; style 6-7 mm, glabrous; stigma obscure.
Pods not seen.
Distribution
Malesia: Malay Peninsula (E and S regions), Borneo (Sarawak).
Habitat & Ecology
In forests, undulating land, a few metres above sea level. Flowering in April and May.