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coastal hill forest index
  On-line Guide to Chek Jawa
coastal hill forest
 
Ipil
Intsia bijuga
Family Leguminosae


The Ipil tree grows in mangroves and coastal areas to about 50m tall. It has a strongly buttressed trunk. Its white and pink flowers develop into oblong, smooth pods 12-25cm long and containing several bean-like seeds.

Human uses: Its timber, called 'Merbau', is highly valued because it is stronger than teak and resistant to termites. In the Philippines, Merbau is used as a standard against which the durability of other timbers are assessed. Merbau is used where stability and durability are important, e.g., high-class flooring, furniture, musical instruments. A dye can be extracted from the wood, the bark and leaves were used in traditional medicines, and the seeds are said to be edible.

Status and threats: The tree was so extensively exploited in Southeast Asia for its timber that few natural stands remain. There have been few attempts in the past to cultivate it. The Ipil tree is not abundant in Peninsular Malaysia and is considered rare and endangered in Singapore. It is listed as threatened in Indonesia, vulnerable in the Philippines and almost extinct in Sabah.
 
click for enlarged image
Flower and leaves
quick facts
To about 50m tall.
 
Links
Intsia bijuga on the Tree Conservation Information Service on the UNEP-WCMC website: fact sheet on the tree, uses of its timber and conservation issues.
Intsia bijuga on by Philip H. Moore and Patrick Chamorro on the Plants of Guam page of the University of Guam website: brief fact sheet with photo. It is the state tree of Guam.

Other references
  • Corners, E. J. H., 1997. Wayside Trees of Malaya: in two volumes. Fourth edition, Malayan Nature Society, Kuala Lumpur. Volume 1: 1-476 pp, plates 1-38; volume 2: 477-861 pp., plates 139-236.

 

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