The common Malaysian name for the timber of Excoecaria spp. (Euphorbiaceae). Vernacular names applied include buta-buta (Peninsular Malaysia and Sabah). Only one species attains timber size, viz. E. agallocha. The straw-coloured sapwood is normally not differentiated from the heartwood, which is pink-white to pale brown in colour.
Also known as Geon (India); Bintaos laut, Kokoboeta, Menengan and Penggung (Indonesia); Gewa (Pakistan); Buta-buta (Philippines); Tatum (Thailand); and Gia (Vietnam).
The timber is moderately hard and moderately heavy with a density of 340-780 kg/m3 air dry.
The timber is reputed to be non-durable.
Texture is moderately fine and even, with straight or interlocked grain.
Shrinkage upon seasoning is moderate.
The timber has been used for the manufacture of toys, furniture, packing boxes and crates, wooden sandals and also as fuelwood and charcoal.
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.