Triomma malaccensis Hook.f., Trans. Linn. Soc. 23 (1860)

Synonyms
Arytera macrocarpa Miq.
Boswellia malaccensis March.
Canarium mahassan Miq.
Triomma macrocarpa Back. ex Thorenaar

Description
Emergent tree up to 56 m tall and 99 cm dbh. Leaves alternate, compound, penni-veined. Flowers ca. 3 mm in diameter, white-yellow-cream, placed in repeatedly branched inflorescences. Fruits ca. 69 mm long, green, dehiscent capsules with wind dispersed, winged seeds.

Ecology
In undisturbed forests up to 300 m altitude. Found throughout the forest, along rivers, on hillsides and on ridges. Usually on sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
The timber is used for construction. Resin sometimes used for torches.

Distribution
Peninsular Malaysia, Sumatra, Java, Borneo (Sarawak, Sabah, West-, Central-, South- and East-Kalimantan).

Local names
Borneo: Bansision, batu, Besilok, Binsian, Buno, Damar lilin, Damar umpak, Jelmu pipit, Kamandung, Kapas melajang, Kedongdong, Kembajau, Kemendrung, Lamai, Maitus, Marasam, Mempas, Merlilin, Njamut, Pudurling, Ranggarai, Terosob.