Yellow Balau Wood

The Standard Malaysian Name for the heavy, yellow to brown timbers of the genus Shorea (Dipterocarpaceae). Vernacular names applied include balau (Peninsular Malaysia) with various epithets, selangan batu No. 1 (Sabah), selanganbatu (Sabah and Sarawak) and other localised names too numerous to be listed here. Major species include S. atrinervosa, S. foxworthyi, S. glauca, S. laevis, S. materialis, S. maxwelliana, S. submontana and S. sumatrana.The sapwood is lighter in colour and is sharply defined from the heartwood, which is yellow or grey-brown and darkens to deep brown on exposure.