Latin name: Dipteryx sp English name: CUMARU Chinese Name: Hong second wing bean Place: South America Characteristics and distribution: Big tree, height up to 20-36m, diameter of 0.5-0.8 m; trunk smooth, cylindrical, high up to 24m, no board root. Found in Guyana, Venezuela, Colombia and Brazil Yamakesi Johnson Valley, etc.. Wood Construction: Wood diffuse porous wood. Heartwood light red-brown, sometimes with a ribbon stripe track surface; and sapwood are clearly different. Wood properties: wood dull; no special smell and taste; texture often staggered; structure of thin, slightly uniform; wood very heavy; strength. Decay resistance, resistant to termites and marine animals dangerous Send harm brick and wood. (Air-dry density 1.1G/CM3 Uses: Fragrant two winged bean is widely used to make flooring, furniture, etc., need to use the installation area, such as the North, it does not use, but in the south is the best material, adapted to China's coastal areas and humid environment . In particular, the Yangtze River on both sides of the climate is relatively wet, the floor of the two wings of the use of beans to help, will not be cracking on every other issue.