Ficus heteropleura Blume, Bijdr. (1825)
Latin for 'unequal veins'.

Synonyms
Ficus acuminata Wall. ex Kunth & C.D.Bouche, Ficus caudatifolia Warb., Ficus caudatifolia var. eucaudata (Elmer) Sata, Ficus caudatifolia var. ovata Sata, Ficus eucaudata Elmer, Ficus euryafolia Kunth & C.D.Bouche, Ficus heteropleura var. mindanaensis (Warb.) Corner, Ficus intermedia Griff., Ficus mindanaensis Warb., Ficus radicans Roxb., Ficus radicans var. brevifolia Miq., Ficus rostrata var. urophylla (Wall. ex Miq.) Valeton, Ficus urophylla Wall. ex Miq.

Description
Understorey tree (strangler) up to 20 m tall and 25 cm dbh. Stem with white sap. Stipules ca. 6 mm long, glabrous. Leaves alternate, simple, tripli-veined, glabrous, tip elongate pointed. Fruits ca. 6 mm diameter, yellow-orange-red, globose figs placed along the twigs.

Ecology
In undisturbed mixed dipterocarp and sub-montane forests up to 1500 m altitude. Mostly on hillsides and ridges, but also along rivers and streams. On sandy to clay soils. In secondary forests usually present as a pre-disturbance remnant.

Distribution
From India, southern China and Taiwan to the Moluccas. In Borneo found throughout the island.

Local names in Borneo
Buah kariwanya, Kariwanya, Kayu ara.