Coelostegia borneensis (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Coelostegia borneensis Becc.

Protologue: Malesia 3: 272, t. 29 (1889).

Vernacular names

• Indonesia: duren enggang (Aceh, Sumatra), apon (Dayak, Kalimantan).Malaysia: punggai daun besar (Peninsular), durian antu (Sarawak).

Distribution

Peninsular Malaysia, Sumatra and Borneo.

Uses

The timber is reputed to be used as punggai.

Observations

A large tree up to 45 m tall, with columnar bole up to 90 cm in diameter having steep plank buttresses, bark surface finely rugose, fissured to dippled and scaly, greyish-brown to dark brown; leaves elliptical-oblong to slightly obovate, 10-23 cm × 4-8.5 cm, densely scaly below and often also above, midrib prominent above and with 14-20 pairs of secondary veins, petiole 2.5-4.5 cm long; flowers in panicles on old branches; fruit globose, c. 15 cm in diameter, covered with conical spines. C. borneensis usually occurs scattered in mixed dipterocarp lowland forest. The density of the wood is 700-750 kg/m³at 15% moisture content.

Selected sources

26, 77, 576, 578, 705.