Hopea sublanceolata (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Hopea sublanceolata Sym.

Protologue: Gard. Bull. Str. Settl. 10: 341 (1939).

Vernacular names

• Malaysia: merawan jeruai (Peninsular, general), chengal karang (Perak), pau yang (Kelantan, Pahang).

Distribution

Peninsular Malaysia.

Uses

The timber is used as merawan.

Observations

• A medium-sized, sometimes large tree of up to 45 m tall, bole with a diameter of up to 90 cm, bark surface reddish-brown, inner bark yellow-brown tinged pink, with a pale yellow pellucid layer at the cambium, sapwood pale; young parts puberulent.
• Leaves elliptical-lanceolate, 6.5-15 cm × 3.5-6.5 cm, subleathery, base cuneate, typically shortly decurrent, acumen up to 1.5 cm long, venation scalariform, midrib depressed above, secondary veins 13-18 pairs, arched, slender but prominent beneath.
• Corolla dark red, stamens 15, ovary and stylopodium truncate, with a slight median constriction, style short, stout.
• 2 longer fruit calyx lobes up to 11.5 cm × 2 cm, 3 shorter ones up to 17 mm × 12 mm, ovate-acuminate, appressed to the nut and enclosing it except at apex.

H. sublanceolata is locally common on undulating land and low spurs up to 150 m altitude. The density of the wood is 610-720 kg/m³ at 15% moisture content.

Selected sources

253, 258, 324, 677, 748.

Main genus page

• Hopea (merawan)

Authors

• K.M. Kochummen (selection of species),
• F.T. Frietema (selection of species)