Xanthophyllum ecarinatum Chodat, Bull. Herb. Boiss. 4 (1896)

Latin for 'not keeled', referring to the flower.

Xanthophyllum kalimantanum Meijden

Sub-canopy tree up to 22 m tall and 38 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined, glabrous. Flowers ca. 13 mm diameter, white-yellowish, placed solitary or in unbranched inflorescence. Fruits ca. 65 mm diameter, green-yellow, many seeded berries. Seeds in pulp.

In undisturbed to slightly disturbed (open) mixed dipterocarp and sub-montane forests up to 1300 m altitude. On hillsides and ridges, but also along rivers and streams. On clay soils. In secondary forests usually present as a pre-disturbance remnant.

The fruits are edible.

Borneo (Sarawak, Brunei, Sabah, West- and East-Kalimantan).

Local names
Borneo: Buah uco, Minyak beruk, Nyalin.