Shorea balangeran (Korth.) Burck, Ann. Jard. Bot. Btzg. 6 (1887)
Named after the local name for this species.

Synonyms
Hopea balangeran Korth., Parahopea balangeran Heim, Parashorea balangeran Merr., Shorea balangeran var. angustifolia Boerl.

Description
Mid-canopy tree up to 32 m tall and 75 cm dbh. Stem with resin. Stipules up to ca. 7 mm long. Leaves alternate, simple, penni-veined, glabrous. Flowers ca. 10 mm in diameter, yellowish, placed in panicles. Fruits ca. 6 mm long, green-red, with three up to ca. 50 mm long wings, wind dispersed.

Ecology
In undisturbed keranga or (peat)-swamp forests near the coast up to 100 m altitude. Mostly on poor sandy soils on alluvial sites or hillsides. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
The timber is used.

Distribution
Sumatra, Borneo (West-, Central-, South- and East-Kalimantan).

Local names in Borneo
Balangiran, Kahoi, Kawi, Kelandan, Kelansau, Lempung nasi, Tomi.