Keruing Asam

Keruing Asam

Scientific name: Dipterocarpus tempehes
Family name: Dipterocarpaceae

Keruing Asam trees in Taman Tugu
The Keruing Asam tree is an indigenous rainforest tree amongst the 4,100 trees added to the Taman Tugu site, selected in collaboration with Forest Research Institute of Malaysia (“FRIM”) and Malaysian Nature Society (“MNS”). This is one of the species being added which is considered as ‘Critically Endangered’ on the International Union for Conservation of Nature (“IUCN”) Red List of Threatened Species. This species is being threatened due to deforestation.

Physical Features
The tree is a large-sized tree that can grow up to 45m tall. The bark is yellowish-brown to greenish-brown with a flaky surface. Its trunk’s girth size can reach up to 1.2m wide. The leaves of this tree are green obviate to broadly elliptic and they are thickly coriaceous. The flowers borne on an axillary inflorescence. Its bud has narrow oblong anthers. The fruits produced are winged nut with 5 lobes around the protruding nut apex with lenticellate surface.

This tree is harvested from the wild as a source of wood and resin. The tree is also a source of Keruing timber. The heartwood ranges from a light to medium yellowish brown to a darker reddish brown.  

These trees can be found near freshwater swamps and streams, and are native to Peninsular Malaysia and Indonesia.