Vatica dulitensis (PROSEA)

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Plant Resources of South-East Asia
Introduction

List of species

Vatica dulitensis Sym.

Protologue: Gard. Bull. Str. Settl. 8: 35 (1934).

Vernacular names

Malaysia: resak tiong (Sarawak).

Distribution

Northern Borneo (Sarawak, Brunei, Sabah, northern East Kalimantan).

Uses

The timber is used as resak. The resin is said to be used for torches.

Observations

A medium-sized tree, up to 30 m tall with cylindrical, frequently crooked bole up to 50 cm diameter and with very small or without buttresses.
Leaves narrowly obovate to elliptical-lanceolate, 4-11 cm × 1-3 cm, with 10-12 pairs of secondary veins, glabrescent, petiole 6-10 mm long.
Inflorescences to 2.5 cm long.
Flower buds up to 6 mm long.
Nut globose, up to 8 mm long, with 5 equal fruit calyx lobes, becoming rotate to reflexed.

V. dulitensis is locally abundant on shale ridges at 700-1350 m altitude; it occurs occasionally in undulating land in the lowland, on clayey soil. The wood is fairly heavy, with density of 740-900 kg/m³ at 15% moisture content.

Selected sources

30, 89, 100, 748.

Main genus page

Vatica

Authors

R.H.M.J. Lemmens (selection of species)