Palaquium walsurifolium Pierre ex Dubard, Bull. Soc. Bot. Fr. 56, Mem 16 (1909)

Latin for 'leafs like those of Walsura'.

Upper canopy tree up to 45 m tall and 77 cm dbh. Stem with white sap. Stipules ca. 2.5 mm long. Leaves alternate, simple, penni-veined, glabrous. Flowers ca. 9 mm diameter, green-white, placed in axillary bundles. Fruits ca. 23 mm long, green, drupes.

In undisturbed peat-swamp and mixed dipterocarp forests up to 1000 m altitude. Usually in alluvial sites (peat-swamps), but also common on ridges with sandy or limestone soils. In secondary forests usually present as a pre-disturbance remnant.

Peninsular Malaysia, Sumatra, Borneo (Sarawak, South- and East-Kalimantan).

Local names
Borneo: Beitis, Margetahan, Nyato, Nyatoh, Nyatoh jangkar.