Jelutong (Dyera costulata) is a hardwood species that grows in abundance in Malaysia and Borneo. The trees can grow up to 200 feet high, with 80 to 90 straight stems not uncommon. Diameter can be up to 8 feet. In addition to wood, the tree produces latex that is used for chewing gum base.

The wood is quite soft with a fine texture. Common lumber uses include pattern and model making, carving (especially intricate carving), mouldings, embossed items, wooden shoes, pencils and drawing boards, as well as a variety of other uses. Unfortunately, the latex will often be found in pockets and passages within and throughout the stem. Therefore, shorter pieces of quality lumber are more common than longer pieces. As the wood has no natural resistance to powder-post beetles, fumigation might be considered essential.

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