Dipterocarpus obtusifolius

Dipterocarpus obtusifolius
Conservation status
	; Near Threatened (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Dipterocarpaceae
Genus:	Dipterocarpus
Species:	D. obtusifolius
Binomial name
	Dipterocarpus obtusifolius; Teijsm. ex Miq., Ann. Mus. Bot. Lugduno-Batavi i. 214 (1864)
Synonyms
	D. punctatus Pierre, D. vestitus Wall. ex Dyer;

Dipterocarpus obtusifolius is a common species of tree in the family Dipterocarpaceae found throughout Southeast Asia, including Andaman Islands, Myanmar, Thailand, Cambodia, Laos and Vietnam.[2][3][4][5] Three varieties have been published: var. subnudus Ryan & Kerr; var. glabricalyx Smitinand; and var. vestitus (Wall. ex Dyer) Smitinand. While legitimate, these varieties are as yet of low confidence level.[4][6] The variety D. obtusifolius var. subnudus differed by having completely hairless leaves and is found only in the south of Cambodia, Vietnam and Thailand.[3]

Trees are large, up to 30m tall, grow in dry Dipterocarp forest, and the red brown wood is used in general construction.[2] In Cambodia, the resin from the tree is used to make torches, drinking water was obtained by cutting young stalks and the wood gave boards regarded as non-durable in construction,[3] while in some areas of the Kompong Chhnang Province it is an important firewood source.[7]

References

Ly, V.; Nanthavong, K.; Pooma, R.; Luu, H.T.; Nguyen, H.N.; Barstow, M.; Vu, V.D.; Hoang, V.S.; Khou, E. & Newman, M. (2017). "Dipterocarpus obtusifolius". IUCN Red List of Threatened Species. 2017: e.T33014A2830863.
"Dipterocarpus obtusifolius Teijsm. ex Miq.–DIPTEROCARPACEAE".
DY PHON Pauline, 2000, Plants Used In Cambodia, self-published, printed by Imprimerie Olympic, Phnom Penh
"The Plant List_Dipterocarpus obtusifolius Teijsm. ex Miq". 12 August 2012.
"Kew Royal Botanic Gardens Herbarium". Retrieved 12 August 2012.
"Dipterocarpus obtusifolius_Tropicos". Retrieved 12 August 2012.
Vibol, San; et al. (2012). "Fuelwood consumption patterns in Chumriey Mountain, Kampong Chhnang Province, Cambodia". Energy. 44 (1): 335–46. doi:10.1016/j.energy.2012.06.025.

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[iucn-1] Ly, V.; Nanthavong, K.; Pooma, R.; Luu, H.T.; Nguyen, H.N.; Barstow, M.; Vu, V.D.; Hoang, V.S.; Khou, E. & Newman, M. (2017). "Dipterocarpus obtusifolius". IUCN Red List of Threatened Species. 2017: e.T33014A2830863.

[Biotik-2] "Dipterocarpus obtusifolius Teijsm. ex Miq.–DIPTEROCARPACEAE".

[DyPhon-3] DY PHON Pauline, 2000, Plants Used In Cambodia, self-published, printed by Imprimerie Olympic, Phnom Penh

[TPL-4] "The Plant List_Dipterocarpus obtusifolius Teijsm. ex Miq". 12 August 2012.

[5] "Kew Royal Botanic Gardens Herbarium". Retrieved 12 August 2012.

[6] "Dipterocarpus obtusifolius_Tropicos". Retrieved 12 August 2012.

[7] Vibol, San; et al. (2012). "Fuelwood consumption patterns in Chumriey Mountain, Kampong Chhnang Province, Cambodia". Energy. 44 (1): 335–46. doi:10.1016/j.energy.2012.06.025.