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{{Short description|Species of flowering plant}}
{{Speciesbox
{{Speciesbox
|image = Dipterocarpus alatus.jpg
|image = Chiang Mai City Pillar Shrine (I).jpg
|image_caption = In Chiang Mai City Pillar Shrine, Thailand
|image2 = Dipterocarpus alatus MHNT.BOT.2006.58.jpg
|image2_caption = Seed - [[MHNT]]
|status = VU
|status = VU
|status_system = IUCN3.1
|status_system = IUCN3.1
|status_ref = <ref name=IUCN>{{cite journal | author1 = Ly, V. | author2 = Nanthavong, K. | author3 = Pooma, R. | author4 = Barstow, M. | author5 = Luu, H.T. | author6 = Khou, E. | author7 = Newman, M. | title = ''Dipterocarpus alatus'' | journal = [[IUCN Red List of Threatened Species]] | volume = 2017 | page = e.T33007A2829912 | publisher = [[IUCN]] | year = 2017 | url = http://www.iucnredlist.org/details/33007/0 | doi = 10.2305/IUCN.UK.2017-3.RLTS.T33007A2829912.en | accessdate = 7 May 2018}}</ref>
|status_ref = <ref name=IUCN>{{cite iucn |author=Ly, V. |author2=Nanthavong, K. |author3=Pooma, R. |author4=Barstow, M. |author5=Luu, H.T. |author6=Khou, E. |author7=Newman, M.F. |year=2023 |title=''Dipterocarpus alatus'' |page=e.T33007A231194805 |doi=10.2305/IUCN.UK.2023-1.RLTS.T33007A231194805.en |access-date=2 July 2024}}</ref>
|genus = Dipterocarpus
|genus = Dipterocarpus
|species = alatus
|species = alatus
|authority = [[William Roxburgh|Roxb.]] ex [[George Don|G.Don]]<ref name=POWO>{{BioRef | powo | title = ''Dipterocarpus alatus'' | id = 320626-1 | accessdate = 21 July 2020}}</ref>
|authority = [[Roxb.]]
|synonyms =
|synonyms =
{{Species list
*''D. philippinensis''
| Dipterocarpus gonopterus | Turcz.
| Dipterocarpus incanus | Roxb.
| Dipterocarpus philippinensis | Foxw.
| Hopea conduplicata | Buch.-Ham.
| Oleoxylon balsamifera | Roxb.
| Pterigium costatum | Corrêa
}}
|synonyms_ref = <ref name=POWO/>
}}
}}
[[File:Dipterocarpus alatus MHNT.BOT.2006.58.jpg|thumb|''Dipterocarpus alatus'' - [[MHNT]]]]
[[File:Diptero carpus alatus in Kentung Burma.JPG|thumb|right|In Kengtung, Burma]]
'''''Dipterocarpus alatus''''', the '''resin tree''',<ref>{{cite book |editor1=Chris Coggins |editor2=Bixia Chen |title=Sacred Forests of Asia: Spiritual Ecology and the Politics of Nature Conservation |url=https://books.google.com/books?id=nHYIEQAAQBAJ&pg=PA239 |page=239 |year=2022 |publisher=Taylor & Francis |isbn=9781000577808 |access-date=2 July 2024}}</ref> is a [[tropical forest]] tree, of dense evergreen or mixed dense forests, in tropical Asia. It is considered vulnerable.<ref name=IUCN/>


==Description==
'''''Dipterocarpus alatus''''' ({{lang-th|ยางนา}}, {{RTGS|''yang na''}}, {{IPA-th|jāːŋ nāː|pron}}; [[Khmer language|Khmer]] ''chhë tiël ba:y, chhë tiël tük, chhë tiël thom''<ref name=DyPhon>DY PHON Pauline, 2000, Plants Used In Cambodia, self-published, printed by Imprimerie Olympic, [[Phnom Penh]]</ref> or ''chheuteal''; {{lang-vi|dầu nước}}, ''{{lang|vi|dầu rái}}''), known colloquially as '''Resin tree''', is a [[tropical forest]] tree, of dense evergreen or mixed dense forests, in tropical Asia. It is considered vulnerable.<ref name=IUCN/> It often occurs gregariously along river banks and is a key planting species for regenerating deforested land around the [[Dong Nai River|Dong Nai river]] and [[Cat Tien National Park]].<ref>[http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species] {{webarchive|url=https://web.archive.org/web/20140627000000/http://www.iucnredlist.org/ |date=June 27, 2014 }} Downloaded on 21 August 2007.</ref>
''Dipterocarpus alatus'' is a large tree, growing {{cvt|30|–|60|m|0}} tall. It is insect pollinated, and sets fruit between March and April. Its seeds are wind dispersed.<ref name=IUCN/>


==Range and habitat==
⚫
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.<ref name=DyPhon />
''Dipterocarpus alatus'' ranges from [[West Bengal]] and [[Bangladesh]] through Myanmar, Thailand, Laos, Cambodia, Vietnam and the Philippines.<ref name=IUCN/> It is also native to Sri Lanka and the Andaman Islands.<ref name=IUCN/>


It grows in evergreen and semi-evergreen lowland dipterocarp forests in valleys and foothills. It is often found on ancient alluvial, granite, and basalt rock substrates. It requires humid and well-drained soil. It tolerates flooding but not fire or wind.<ref name=IUCN/>
⚫
In Myanmar/Burma one of the largest of the species is in KengTung, photos below from Nov 2014

⚫
[[File:Sign for Diptero carpus alatus in Kentung, Burma in other photo.JPG|thumb|Descriptive sign for tree on other photo. Kentung Burma, taken Nov 2014]]
It often occurs gregariously along river banks and is a key planting species for regenerating [[deforestation|deforested]] land around the [[Dong Nai River|Dong Nai river]] and [[Cat Tien National Park]].
[[File:Diptero carpus alatus in Kentung Burma.JPG|thumb|Diptero carpus alatus in Kentung Burma]]

==Uses==
⚫
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.<ref name=DyPhon>DY PHON Pauline, 2000, Plants Used In Cambodia, self-published, printed by Imprimerie Olympic, [[Phnom Penh]]</ref>

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

⚫
[[File:Sign for Diptero carpus alatus in Kentung, Burma in other photo.JPG|thumb|right|Descriptive sign for tree, Kengtung, Burma]]


==References==
==References==
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==External links==
==External links==
*{{commonscat-inline|Dipterocarpus alatus}}
*{{commonscat-inline|Dipterocarpus alatus}}
*[http://kmarin.ru/2014/12/biggest-yang-na-tree-koh-phangan-thailand-2014/ Dipterocarpus Alatus, Koh Phangan, Thailand]
*[http://kmarin.ru/2014/12/biggest-yang-na-tree-koh-phangan-thailand-2014/ Dipterocarpus alatus, Koh Phangan, Thailand]
*[http://www.vncreatures.net/chitiet.php?page=1&loai=2&ID=3307 In Vietnamese, illustrated]
*[http://www.vncreatures.net/chitiet.php?page=1&loai=2&ID=3307 In Vietnamese, illustrated]


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[[Category:Dipterocarpus|alatus]]
[[Category:Dipterocarpus|alatus]]
[[Category:Flora of tropical Asia]]
[[Category:Flora of West Bengal]]
[[Category:Endangered flora of Asia]]
[[Category:Flora of Bangladesh]]
[[Category:Flora of Indo-China]]

[[Category:Flora of Sri Lanka]]

[[Category:Flora of the Philippines]]
{{Dipterocarpaceae-stub}}

Latest revision as of 15:04, 26 August 2024

Dipterocarpus alatus
In Chiang Mai City Pillar Shrine, Thailand
Seed - MHNT
Scientific classification Edit this 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

Dipterocarpus alatus, the resin tree,[3] is a tropical forest tree, of dense evergreen or mixed dense forests, in tropical Asia. It is considered vulnerable.[1]

Description

[edit]

Dipterocarpus alatus is a large tree, growing 30–60 m (98–197 ft) tall. It is insect pollinated, and sets fruit between March and April. Its seeds are wind dispersed.[1]

Range and habitat

[edit]

Dipterocarpus alatus ranges from West Bengal and Bangladesh through Myanmar, Thailand, Laos, Cambodia, Vietnam and the Philippines.[1] It is also native to Sri Lanka and the Andaman Islands.[1]

It grows in evergreen and semi-evergreen lowland dipterocarp forests in valleys and foothills. It is often found on ancient alluvial, granite, and basalt rock substrates. It requires humid and well-drained soil. It tolerates flooding but not fire or wind.[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.

Uses

[edit]

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.[4]

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

Descriptive sign for tree, Kengtung, Burma

References

[edit]
  1. ^ a b c d e f Ly, V.; Nanthavong, K.; Pooma, R.; Barstow, M.; Luu, H.T.; Khou, E.; Newman, M.F. (2023). "Dipterocarpus alatus". IUCN Red List of Threatened Species. 2023: e.T33007A231194805. doi:10.2305/IUCN.UK.2023-1.RLTS.T33007A231194805.en. Retrieved 2 July 2024.
  2. ^ a b "Dipterocarpus alatus". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 21 July 2020.
  3. ^ Chris Coggins; Bixia Chen, eds. (2022). Sacred Forests of Asia: Spiritual Ecology and the Politics of Nature Conservation. Taylor & Francis. p. 239. ISBN 9781000577808. Retrieved 2 July 2024.
  4. ^ DY PHON Pauline, 2000, Plants Used In Cambodia, self-published, printed by Imprimerie Olympic, Phnom Penh
[edit]
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