Dipterocarpus retusus, commonly known as hollong, is a large tree and perhaps the best known species in the genus Dipterocarpus. It is native to south-central China (western and southeastern Yunnan), Vietnam, the Philippines, Laos, Cambodia, Peninsular Malaysia, Indonesia (Sumatra, Java, and the Lesser Sunda Islands), Myanmar, and northeastern India.DY PHON, Pauline, 2000, Plants Used In Cambodia, printed by Imprimerie Olympic, Phnom Penh The tree, some tall, is found in Cambodia in dense forests of the plains, common on hillsides and along rivers and in forests between and elevation.
Hollong is the state tree of Assam and Arunachal Pradesh, India. In India, the timber is used for plywood and making various containers. In China, the timber is used in construction. Hollong is a sacred tree for Moran community of Assam.
Uses It is farmed for its timber and resin. In Cambodia, the resin is collected by people in the mountainous regions, in order to make torches and candles, while the wood is used in construction to make columns and boards.
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