The Standard Malaysian Name as well as the ASEAN Standard Name for the timber of Hydnocarpus spp. (Flacourtiaceae). Vernacular names applied include karpus (Sabah) with various epithets and setumpul (Peninsular Malaysia). Major species include H. borneensis, H. castanea, H. filipes, S. kunstleri and H. woodii. The sapwood is not defined from the heartwood, which is pale yellow to yellow-brown.

Also known as Krabau (Cambodia); Pinanak (Indonesia); Kalaw (Myanmar); Krabau (Thailand); and Chum bau (Vietnam).


The timber is moderately hard to hard and moderately heavy with a density of 690-930 kg/m3 air dry. The timber is classified under Medium Hardwood in Malaysia.


The timber is moderately durable but susceptible to termite attacks.


Texture is fine and even, with straight or deeply interlocked grain.


The timber is reported to be easy to work and the planed surface is dull but smooth.


It is reputed to season well without serious defects.


The timber is suitable as a general utility timber. If obtained in sufficient quantities, it may be suitable for furniture manufacture, flooring, staircase (apron lining, baluster, balustrade, carriage, riser and stringer), mouldings, pencil, panelling and partitioning.


  1. Menon, P. K .B. 1986. Uses of Some Malaysian Timbers. Revised by Lim, S. C. Timber Trade Leaflet No. 31. The Malaysian Timber Industry Board and Forest Research Insitute Malaysia, Kuala Lumpur. 48 pp.
  2. Wong, T. M. 1982. A Dictionary of Malaysian Timbers. Revised by Lim, S. C. & Chung, R. C. K. Malayan Forest Record No. 30. Forest Research Institute Malaysia Kuala Lumpur. 201 pp.