''Dipterocarpus retusus'', commonly known as hollong, is a large tree and perhaps the best known species in the genus ''

Dipterocarpus '' D. retusus'' in Köhler ''Dipterocarpus'' is a genus of flowering plants and the type genus of family Dipterocarpaceae. ''Dipterocarpus'' is the third-largest and most diverse genus among the Dipterocarpaceae. The species are well known for ...

''. It is native to China, Vietnam, Philippines, Laos, Cambodia, Malaysia, Indonesia, Myanmar, and 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 altitude. Dipterocarpus tonkinensis Cho nau

Hollong is the state tree of

Assam Assam (, , ) is a state in Northeast India, northeastern India, south of the eastern Himalayas along the Brahmaputra Valley, Brahmaputra and Barak River valleys. Assam covers an area of . It is the second largest state in Northeast India, nor ...

and

Arunachal Pradesh Arunachal Pradesh (; ) is a States and union territories of India, state in northeast India. It was formed from the North-East Frontier Agency (NEFA) region, and India declared it as a state on 20 February 1987. Itanagar is its capital and la ...

, 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 Moran may refer to: Places Antarctica * Moran Bluff, Marie Byrd Land * Moran Buttress, Marie Byrd Land * Moran Glacier, Alexander Island Asia * Moran Town, Assam, India * Moran, Israel, a kibbutz * Moran Hill, North Korea * Moran Station, a s ...

community of Assam.

Uses

It is farmed for its timber and resin. In

Cambodia Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...

, 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.

References

retusus Trees of China Flora of tropical Asia Medicinal plants of Asia Symbols of Arunachal Pradesh Symbols of Assam {{medicinal-plant-stub