Dipterocarpus mundus (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Dipterocarpus mundus v. Slooten

Protologue: Bull. Jard. Bot. Buitenzorg, sér. 3, 16: 446, f. 7 (1940).

Vernacular names

• Indonesia: kamurai, kensurai bukit, kerosit (Kalimantan).

Distribution

Central Borneo.

Uses

The timber is used as keruing.

Observations

• A large tree of up to 50 m tall, bole tall, straight, cylindrical, up to 95 cm in diameter, buttresses low, rounded, bark surface orange-brown, flaky; buds slender, glabrous.
• Leaves narrowly elliptical to obovate, 5.5-16 cm × 2.5-7.5 cm, base narrowly obtuse, acumen to 8 mm long, secondary veins 8-10 pairs, straight, glabrous, petiole 1.5-3 cm long, stipules linear, caducous, inside pubescent.
• Stamens 15.
• Fruit calyx tube fusiform, glabrous, with 5 wings, each up to 7 mm wide, 2 larger fruit calyx lobes up to 11 cm × 2.5 cm, 3 shorter ones up to 8 mm × 8 mm.

D. mundus occurs locally frequent in small scattered groups on ridges above 500 m altitude. The density of the wood is 785-940 kg/m³ at 15% moisture content.

Selected sources

31, 258, 748.

Main genus page

• Dipterocarpus (Timbers)

Authors

• T. Smitinand (selection of species),
• C. Phengklai (selection of species),
• L.E. Groen (selection of species)