Non-standard name: Merbau, Nanyang wooden treasure, iron Lei, Georgia-Pacific Wood place name: Merbau (Indonesia, Malaysia, Sarawak --- code Mrbu, especially I.palembanica), Kwila (Papua New Guinea - code KWI, Solomon Islands - code IN) Ipil (Sarawak - code IPIL, especially I.bijuga), Idil (Philippines), Mirabow, merbau darat, Kjumelai (Indonesia), Salumpho (Thailand), Gonuo, Komu. Trees and distribution: Large trees, about 45m, diameter up to 1.7m. The genera and 9 species in Southeast Asia and the Pacific Islands. From Indonesia, Malaysia imports a lot less amount of Papua New Guinea. Structural Features: Bark: thick 0.5 ~ 1.5cm, hard, a little hard to Su from. Gray to gray-brown skin; thin; hard; small flake off easily and remain shallow pits; dense oval open stomata. When endothelial fresh yellow-white, long into the orange; bast fibers slightly developed; stone cells developed, the granular layer to the uniform distribution. Cross section: a very clear distinction between heartwood and sapwood, heartwood dark brown, with dark text lines slightly. Sapwood yellowish white, thickness 3 ~ 4cm. Growth rings a little obvious. Macroscopic structure: diffuse porous wood. Under the obvious to the naked eye holes, less slightly larger; main single hole, a few oblique diameter column or partiality complex pore (2 to 3); color with black gum and sulfur deposits. Axial parenchyma obvious to the naked eye, developed, wing-shaped and round circles. Wood ray under the magnifying glass clear, density, very narrow. Wood: with slight sheen. Deep texture staggered; coarse structure; quality hardware; strength; very small. Sawing, planing processing difficulties, gum easy plug serrated; glued, cars spin, good paint performance; nails must first punch; can corrode metal. Decay. Dry slowly, but good stability. Air-dry density 0.80g / cm3. Wood Uses: Suitable for interior decoration, heavy construction, flooring, joinery, sleepers, bridges, docks, sculpture, the jewelry boxes, decorative veneer peeling, also substitutes mahogany furniture. Color from sulfur deposits can be extracted Jacquard dyes.