Urophyllum_arboreum (Reinw. ex Blume) Korth., Ned. Kruidk. Arch. 2 (1851)
Latin for 'tree-like'.

Description
Understorey tree up to 11 m tall and 24 cm dbh. Stipules ca. 12 mm long, needle-like. Leaves opposite, simple, penni-veined, glabrous. Flowers ca. 4 mm diameter, white-yellowish, with very short corolla tube, placed in axillary bundles or short cymes. Fruits ca. 5 mm diameter, orange, berries.

Ecology
In undisturbed mixed dipterocarp, keranga and sub-montane forests up to 1000 m altitude. On hillsides and ridges, but also common along rivers and streams. On clay to sandy soils. In secondary forests usually present as a pre-disturbance remnant.

Distribution
Peninsular Malaysia, Sumatra, Java, Borneo (throughout the island).

Local names in Borneo
Kayu basak, Sabal-bubu.