Ficus subgelderi Corner, Gard. Bull. Sing. 17 (1960)
Latin for 'similar to Ficus gelderi', which is now a synonym of Ficus pellucidopunctata.

Description
Mid-canopy tree (strangler) up to 34 m tall and 37 cm dbh. Stem with white sap. Stipules ca. 13 mm long, glabrous to hairy. Leaves alternate, simple, tripli-veined, glabrous. Fruits ca. 13 mm diameter, yellow-orange-red, globose figs, placed along the twigs.

Ecology
In undisturbed mixed dipterocarp, (peat)-swamp, and keranga forests up to 500 m altitude. Usually on hillsides and ridges, but also in swamps. On sandy soils, but also on clay or limestone. In secondary forests usually present as a pre-disturbance remnant.

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

Local names in Borneo
Akar karak, Beringin, Kara, Kayu ara, Kriwaja, Lunok, Runuk opan.