Guioa diplopetala (Hassk.) Radlk., Sapind. Holl.-Ind. (1879)
Latin for 'with double petals'.

Synonyms
Arytera karang Miq., Cupania diplopetala Hassk., Cupania fascidula Kurz, Cupania minjalilen Blume, Cupania regularis Blume, Guioa bullata Radlk., Guioa diplopetala forma borneensis Radlk., Guioa diplopetala forma genuina Radlk., Guioa diplopetala var. borneensis (Radlk.) Radlk., Guioa fuscidula (Kurz) Radlk., Guioa fuscidula var. glabrescens King, Guioa leptoneura Radlk., Guioa microphylla Radlk., Guioa minjalilen (Blume) Radlk., Guioa regularis (Blume) Radlk., Guioa squamosa Radlk., Guioa squamosa forma genuina Radlk., Guioa squamosa forma lineolata-punctata Radlk., Guioa diplopetala forma microcarpa Radlk.

Description
Understorey tree up to 13 m tall and 29 cm dbh. Stipules absent. Leaves alternate, compound, leaflets penni-veined, glabrous. Flowers ca. 4 mm diameter, white, placed in panicles to racemes. Fruits ca. 14 mm diameter, red, 3-lobed, dehiscent capsules. Seeds dark with white aril.

Ecology
In undisturbed to disturbed (open sites) mixed dipterocarp, keranga, coastal, swamp and sub-montane forests up to 1500 m altitude. Often on alluvial sites and along rivers and streams, but also on ridges. Also found on limestone. In secondary forests usually present as a pre-disturbance remnant.

Uses
The wood is used in house construction. Boiled roots are used to treat blennorrhea. The fruits possibly edible, although also reported to be poisenous.

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

Local names in Borneo
Belimbing talun, Mentuga.