Chisocheton patens Blume, Bijdr. (1825)
Latin for 'extended, or opened'.

Synonyms
Chisocheton apoensis Elmer ex Merr., Chisocheton barbatus C.DC., Chisocheton divergens Blume, Chisocheton divergens var. genuinus Valet., Chisocheton divergens var. minor Valet., Chisocheton divergens var. robustus Valet., Chisocheton fragrans Hiern in Hook.f., Chisocheton fulvus Merr., Chisocheton glomeratus Hiern in Hook.f., Chisocheton holocalyx Hiern in Hook.f., Chisocheton laxiflorus King, Chisocheton tetrapetalus (Turcz.) C.DC. in DC., Chisocheton urdanetensis Elmer ex Merr., Chisocheton vrieseanus C.DC. in DC., Melia pendula Reinw. ex Miq., Schizochiton divergens (Blume) Spreng., Schizochiton patens (Blume) Spreng., Schizochiton tetrapetalum Turcz., Trichilia hexandra Blume ex Miq., Trichilia longissima Wall.

Description
Upper canopy tree up to 43 m tall and 73 cm dbh. Stipules absent. Leaves alternate, compound, leaf tips continuing to grow indeterminately, leaflets penni-veined, glabrous to hairy below. Flowers ca. 5 mm diameter, white-yellow, placed in panicles. Fruits ca. 24 mm diameter, red, capsules. Seeds with aril.

Ecology
In undisturbed mixed dipterocarp forests up to 400 m altitude, however, seems to prefer open places. On hillsides and ridges, but also common along rivers. On sandy to clay soils, but also on limestone. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is locally used in house building.

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

Local names in Borneo
Lamboi, Lantupak, Latupak.