1.3- Origin and distribution + Origin: The Genus Dracontomelonis native to Asian tropical. The Species Dracontomelon duperreanum Pierre. (Synonym: Dracontomelon sinenseStapf.) is native to South China and North Vietnam. + Distribution: This species is widely distributed in Southeast Asia and the Southwest Pacific Islands. In Vietnam the Dracontomelon tree is semi-evergreen, it grows well on red soil or medium red soil, at the altitude of about 0-600 m in the areas of Lang Son, Bac Kan, Thai Nguyen provinces to the coastal plains and high land of Central Vietnam, it is less common in the southern region. The planting trees are also widely used in many areas for shade, wood and fruit, they also grow well on sandy soil.