Dipterocarpus alatus

Dipterocarpus alatus (Thai: ยางนา, RTGS: yang na, pronounced [jāːŋ nāː]; Khmer chhë tiël ba:y, chhë tiël tük, chhë tiël thom[3] or chheuteal; Vietnamese: dầu nước, dầu rái), also known colloquially as the resin tree, is a tropical forest tree, of dense evergreen or mixed dense forests, in tropical Asia. It is considered vulnerable.[1] It often occurs gregariously along river banks and is a key planting species for regenerating deforested land around the Dong Nai river and Cat Tien National Park.

Dipterocarpus alatus
In Cambodia
Seed - MHNT
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Dipterocarpus
Species:
D. alatus
Binomial name
Dipterocarpus alatus
Synonyms[2]
  • Dipterocarpus gonopterus Turcz.
  • Dipterocarpus incanus Roxb.
  • Dipterocarpus philippinensis Foxw.
  • Hopea conduplicata Buch.-Ham.
  • Oleoxylon balsamifera Roxb.
  • Pterigium costatum Corrêa
In Kengtung, Burma

In Cambodia, the wood is much valued in construction and cabinetwork, when not exploited for its oily resin. Generally, resin is collected for the following uses: wood lacquering, draught-proofing of boats and traditional medicine. When mixed with beeswax, it is used in bandages for ulcerated wounds. The bark of young trees is also used in traditional medicine, taken against rheumatism and diseases of the liver, and to stimulate appetite in cattle.[3]

In Myanmar, one of the largest of the species is in Kengtung, see photos.

Descriptive sign for tree, Kengtung, Burma

References
  1. Ly, V.; Nanthavong, K.; Pooma, R.; Barstow, M.; Luu, H.T.; Khou, E.; Newman, M. (2017). "Dipterocarpus alatus". IUCN Red List of Threatened Species. 2017: e.T33007A2829912. doi:10.2305/IUCN.UK.2017-3.RLTS.T33007A2829912.en.
  2. "Dipterocarpus alatus". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 21 July 2020.
  3. DY PHON Pauline, 2000, Plants Used In Cambodia, self-published, printed by Imprimerie Olympic, Phnom Penh
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