Region: southeast Asia, Malaysia, Indonesia, Kalimantan, Borneo.
Habitat: lowland areas, fresh water swamps, peat swamps, kerangas forests to hill forests; keranga forests, moist, heath forest, acidic, sandy soils, low in nutrients, nitrogen; elevations up to 600 metres; strongly light demanding when young; more abundantly in open or disturbed habitats.
Ecology: food source for gibbons in Sabangau National Park in Kalimantan.
Use: wood for low value items, match-boxes, match splints, packing cases, disposable chopsticks, shoe soles, sandals, veneer.
Evergreen tree; 30 metres tall.Stem: to 60 cm in diameter; sometimes with short, narrow buttresses up to 100 cm high; rarely with stilt roots;
bark yellowish-grey, smooth to scaly; heartwood is grey-pink or mauve-grey, without any figure on surface, not distinct from the sapwood, texture is fine and even, the grain shallowly to deeply interlocking, soft, light in weight, not very durable, susceptible to sap stain and fungal infection, easy to resaw and cross-cut, planing is easy, planed surface is rough and woolly, nailing properly is rated as excellent.
Flowers: greenish yellow; dioecious.
Fruits: roundish; 1.7 cm in diameter; green and white when fresh.