Shorea stenoptera (PROSEA)

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Plant Resources of South-East Asia Introduction

List of species

Shorea stenoptera Burck

Protologue: Meded. 's-Lands Plantentuin 3: 11 (1886).

Vernacular names

• Indonesia: tengkawang tayau, tengkawang tungkul (West Kalimantan)
• Malaysia: engkabang kerangas (Iban), engkabang rusa (Sarawak).

Distribution

Western Borneo.

Uses

The timber is used as red meranti. The illipe nuts are the largest known and S. stenoptera has been planted deliberately for the fruits.

Observations

• A small to medium-sized tree up to 25 m tall, with bole up to 60 cm in diameter, buttresses small or absent.
• Leaves oblong, thickly leathery, 18-40 cm × 8-22 cm, with 10-14 pairs of secondary veins.
• Stamens 15, anthers ellipsoid, with long, slender appendages, stylopodium spindle-shaped.
• Larger fruit calyx lobes up to 7.5 cm × 2 cm.

S. stenoptera is locally common in heath forest on poorly drained sandy soils and podzols at low altitudes. The density of the wood is 430-720 kg/m³ at 15% moisture content. See also the table on wood properties.

Selected sources

31, 89, 124, 258, 318, 461, 599, 748.

Main genus page

• Shorea (red meranti)

Authors

M.S.M. Sosef (selection of species)