Koompassia malaccensis Benth., in Hook.f. Icon. Pl. 3, 2 (1876)
Latin for 'from Malacca', a city in Peninsular Malaysia.

Synonyms
Koompassia beccariana Taub.

Description
Emergent tree up to 56 m tall and 149 cm dbh. Stem very smooth. Stipules ca. 2 mm long. Leaves alternate, compound, leaflets alternate, penni-veined, glabrous. Flowers ca. 3 mm diameter, white, placed in panicles. Fruits ca. 97 mm long, green, strongly flattened, light weight, wind dispersed pods, twisted lengthwise.

Ecology
In undisturbed mixed dipterocarp, (peat)-swamp and sub-montane forests up to 1100 m altitude. Usually on hillsides and ridges on clay to sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
The wood is used for heavy construction and flooring.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Borneo (throughout the island).

Local names in Borneo
Berniung, Impas, Kempas, Kempas merah, Menggaris, Menggris, Meryang.