Hopea dyeri (PROSEA)
Hopea dyeri Heim
- Protologue: Bull. Mens. Soc. Linn. Paris 2: 972 (1891).
- Hopea intermedia King (1893) p.p.,
- Hopea micrantha Burck (1887) non Hook.f. p.p.,
- Hopea pierrei Brandis (1895) non Hance.
- Indonesia: bangkirai tanduk (South Kalimantan), omang terubuk, emang besi (West Kalimantan)
- Malaysia: merawan palit (Peninsular), selangan kechil (Sabah), selangan palit (Sarawak).
Peninsular Malaysia and Borneo.
The timber is used as merawan. The tree is also a source of dammar.
- A medium-sized to fairly large tree of up to 35 m tall, bole straight, tapering, with a diameter of up to 60 cm and thin, low buttresses and stilt roots, bark surface flaky with a red layer beneath, inner bark homogeneous pale pink-brown to yellowish-brown, sapwood pale yellow, heartwood brown; younger parts grey-brown pubescent.
- Leaves ovate-lanceolate, 2.5-7 cm × 1.2-2.5 cm, somewhat leathery, base cuneate, subequal, acumen narrow, up to 1.5 cm long, margin frequently slightly revolute, frequently lepidote beneath, venation dryobalanoid, midrib raised on both surfaces, secondary veins 8-12 pairs, slender, slightly raised, with many distinct smaller veins.
- Stamens 15, in 3 whorls, ovary and stylopodium pear-shaped, apex puberulent, style short.
- 2 longer fruit calyx lobes up to 2.5 cm × 1 cm, narrowly obtuse, 3 shorter ones up to 7 mm × 4 mm, ovate, acuminate.
H. dyeri is locally abundant and occurs on well-drained soils on low hills and ridges up to 1000 m altitude. The density of the wood is 575-915 kg/m3 at 15% moisture content.
30, 76, 89, 100, 102, 253, 258, 318, 476, 677, 748.
Main genus page
- K.M. Kochummen (selection of species),
- F.T. Frietema (selection of species)