Paranephelium xestophyllum Miq., Sumatra (1861)

Synonyms
Mildea gibbosa (Teijsm. & Binn.) Miq.
Mildea xystophyllum Miq.
Nephelium forbesii Baker
Paranephelium acanthocarpum Radlk. ex Koord.-Schum.
Paranephelium gibbosum Teijsm. & Binn.
Paranephelium nitidum King
Pometia forbesii Baker

Description
Sub-canopy tree up to 24 m tall and 55 cm dbh. Stipules absent. Leaves alternate, compound, leaflets penni-veined, glabrous to slightly hairy. Flowers ca. 3 mm diameter, white-yellow, placed in panicles. Fruits ca. 26 mm diameter, pale brown, warty capsules.

Ecology
In undisturbed mixed dipterocarp and swamp forests up to 400 m altitude. Usually on alluvial sites and on hillsides with sandy soils, but also common on limestone. In secondary forests usually present as a pre-disturbance remnant.

Uses
Firewood. The seeds are used to extract lamp-oil or they are eaten (after roasting or boiling).

Distribution
Southern China, Indo-China, Burma, Thailand, Peninsular Malaysia, Sumatra, Borneo (throughout the island), Philippines.

Local names
Borneo: Kachang-kachang, Tambuakat, Tombuakat.