Scientific Name:

Dracontomelon dao (Family: Anacardiaceae)  

General Description:

Light Hardwood. Also known as Basuong, Dahu and Sengkuang (Indonesia); Nga-bauk (Myanmar); Koel, Laup, Mon and Papua New Guinea walnut (Papua New Guinea); Dao, Lamio and Ulandug (Philippines); and Phrachao ha phra ong (Thailand).  

Timber Description:

  • Density: 500-690 kg/m3
  • Heartwood: produced by some trees is coloured and is walnut grey-brown, while other trees produce a greyish or greenish yellow heartwood with irregular concentric dark brown to nearly black bands
  • Sapwood: pinkish or greyish yellow

Spot Characters:

  • non-durable under exposed conditions and is susceptible to termite attacks
  • texture is moderately coarse and even with straight or interlocked and sometimes wavy grain


The coloured material is highly prized as a cabinet wood and is suitable for furniture manufacture, interior finishing, panelling, mouldings and plywood. The uncoloured material is suitable for temporary construction, shuttering, pallets (expendable type) as well as packing boxes and crates