Aglaia leptantha Miq., Ann. Mus. Bot. Lugd. Bat. 4 (1868)
Latin for 'with thin flowers'.

Synonyms
Aglaia gamopetala Merr., Aglaia glabriflora Hiern in Hook.f., Aglaia glabrifolia Merr., Aglaia laevigata Merr., Aglaia leptantha var. borneensis C.DC. in DC., Aglaia multiflora Merr.

Description
Sub-canopy tree up to 30 m tall and 27 cm dbh. Stipules absent. Leaves alternate, compound, leaflets penni-veined, glabrous. Flowers ca. 1 mm diameter, pale yellow, placed in panicles. Fruits ca. 18 mm diameter, grey-yellow-orange, fleshy capsules. Seeds with translucent aril.

Ecology
In undisturbed mixed dipterocarp, keranga and sub-montane forests up to 1700 m altitude. Usually on hillsides and ridges with clay to sandy soils. Also found on ultramafic soils. In secondary forests usually present as a pre-disturbance remnant.

Uses
The durable timber is used. The fruits are edible.

Distribution
Indo-China and Thailand to the Moluccas. In Borneo collected in Sarawak, Sabah, West- and East-Kalimantan.

Local names in Borneo
Langsat-langsat, Lantupak, Segera.