Dipterocarpus globosus (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Dipterocarpus globosus Vesque

Protologue: Compt. Rend. Hebd. Séances Acad. Sc. 78: 627 (1874).

Synonyms

• Dipterocarpus beccarianus Vesque (1874).

Vernacular names

• Brunei: keruing buah bulat
• Malaysia: keruing buah bulat (Sarawak), keruing bulat (Sabah).

Distribution

Borneo (Brunei, Sabah and Sarawak).

Uses

The timber is used as keruing.

Observations

• A very large tree of up to 65 m tall, bole tall, cylindrical, up to 190 cm in diameter, buttresses many, up to 3.5 m tall, up to 2 m long, very broad and rounded, strongly concave, bark surface very pale brown; buds ovoid, chestnut tomentose.
• Leaves broadly ovate, 10-14 cm × 7-9 cm, base broadly cuneate, acumen c. 4 mm long, prominently plicate, secondary veins 12-14 pairs, below fugaceous pubescent, petiole 2-2.5 cm long, stipules narrowly lanceolate, acute, outside persistently chestnut tomentose.
• Stamens 24.
• Fruit calyx tube ovoid, glabrous, usually 5-ribbed, sometimes smooth, 2 larger fruit calyx lobes 11-15 cm × 2.5-3.5 cm, 3 shorter ones 4-5 mm × 4-5 mm.

D. globosus is locally abundant in mixed dipterocarp forest and heath forest on podzols below 400 m altitude. The density of the wood is about 870 kg/m³at 15% moisture content.

Selected sources

30, 31, 89, 258, 737, 748.

Main genus page

• Dipterocarpus (Timbers)

Authors

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