Dipterocarpus sublamellatus Foxw.

Etymology Genus Two-winged (Dipteras) fruit (karpos)
Species Fruits are sub-lamellated; referring to the wavy ridges
Family Dipterocarpaceae
Synonyms -
Common Names Keruing Kerut
Status Native: Vulnerable
Form Tree
Native Distribution Peninsular Malaysia, Singapore, Sumatra, and northern Bornero


Diptercarpus sublamellatus can found in our Central Catchment Nature Reserve as well as at Changi where a single lone tree still stands. It can be recognised from the small ridged leaves (about 11cm long), and small fruits. The fruit has prominent wavy ridges and is attached with two short wings.

Interesting Facts:

Keruing Kerut is said to be one of the most important sources of keruing timber in the Malay Peninsular (Symington, 2007). It is recognised as a globally endangered species by the IUCN.

Designated heritage tree of Keruing Kerut at Changi.

It is one of the shorter winged Dipterocarpus species relative to the fruit.

Peeling bark.

Small leaf, about 10-nerved.

Note the hairy stipule.


Symington CF. (2007) Foresters' Manual of Dipterocarps. Forest Research Institute Malaysia, Malaysian Nature Society, Kulau Lumpur. 519 pp.

Author: Jake
Posted: 2014-08-29 / Modified: 2017-12-25