Dryobalanops sumatrensis (J.F. Gmelin) Kosterm
Family
Dipterocarpaceae
Synonyms
Dryobalanops aromatica Gaertner f., Dryobalanops camphora Colebr.
Vernacular Names
| Malaysia | Kapur (Peninsular), kapur biasa (Sabah), kapur peringgi (Sarawak). |
| Indonesia | Kapur singkel, kapurun, pokok kapur barus (Sumatra). |
| Brunei |
Kapur anggi, kapur peringgi. |
Geographical Distributions
Dryobalanops sumatrensis is found in Peninsular Malaysia, north-western and eastern Sumatra, the Riau and Lingga archipelago, and northern and western Borneo.
Description
Dryobalanops sumatrensis is a very large tree that can reach up to 60(-67) m tall, and with a straight, cylindrical bole. It is branchless for up to 40 m, with diametre up to 200(-340) cm and buttresses measure up to 5 m high. The bark is yellowish-brown, strongly aromatic when slashed but not exuding any dammar at first.
The leaves are broadly ovate, measuring 4-6 cm x 2-4 cm, with acumen up to 15 mm long and hairless.
The sepal lobes of its fruit are spoon-shaped, measuring 4-6 cm x 0.8-2 cm and bordered by a cup measuring 6-8 mm deep and 8-15 mm wide.
Ecology / Cultivation
Dryobalanops sumatrensis favours well-drained, yellow, leached, sandy-clayey soils and performs best on lower and middle slopes, less so in valleys or on ridges, up to 400 m altitude. It is locally dominant or gregarious. The density of the wood is 630-940 kg/m3 at 15% moisture content.
Line Drawing / Photograph
References
- Plant Resources of South-East Asia No.5(1): Timber trees: Major commercial timbers.
