Gluta usitata

{{Short description|Species of flowering plant}} {{Speciesbox |image = Plantae Asiaticae Rariores - plate 012 - Melanorrhoea usitata.jpg |image_caption = Illustration by Vishnupersaud from ''[[Plantae Asiaticae Rariores]]'' |genus = Gluta |species = usitata |authority = ([[Nathaniel Wallich|Wall.]]) [[Ding Hou]] |display_parents = 3 |synonyms = ''Melanorrhoea usitata'' <small>Wall.</small> |synonyms_ref = <ref name = "DH">Ding Hou (1978) in: ''Blumea'', '''24(1)''': 14</ref> }}

'''''Gluta usitata''''',<ref name = "DH"/> previously known as '''''Melanorrhoea usitata''''',<ref name="BoDD" /> is an Asian tree species in the family [[Anacardiaceae]]. It may be known as '''Burmese lacquer''',<ref name="zipcodezoo">[http://zipcodezoo.com/Plants/M/Melanorrhoea_usitata/ ''Melanorrhoea usitata''] {{webarchive|url=https://web.archive.org/web/20120814132159/http://zipcodezoo.com/Plants/M/Melanorrhoea_usitata/ |date=2012-08-14 }} at ZipcodeZoo.com</ref> '''theetsee''',<ref name="BoDD">[https://www.botanical-dermatology-database.info/BotDermFolder/ANAC-2.html#Melanorrhoea%20usitata ''Melanorrhoea usitata''] in BoDD – Botanical Dermatology Database</ref> '''thitsi'''<ref name="drying.study">{{cite web|title=Study on the Betterment of Fast Drying Quality of Myanmar Lacquer through Modification Method|url=http://www.myanmar.gov.mm/AgJurnal/ProcFo01-12.pdf|publisher=Myanmar Academy of Agricultural, Forestry, Livestock and Fishery Sciences|accessdate=13 June 2010|author=Khine Khine Tun, Khin May Lwin|url-status=dead|archiveurl=https://web.archive.org/web/20050509055937/http://www.myanmar.gov.mm/AgJurnal/ProcFo01-12.pdf|archivedate=9 May 2005}}</ref> or '''ringas'''.<ref name="timbers.manual">{{cite book|last=Howard|first=Alexander L|title=A Manual of the Timbers of the World - Their Characteristics and Uses|year=2007|isbn=978-1-4067-3350-1|pages=225, 317|url=https://books.google.com/books?id=ixfB0SWFieYC&q=usitata&pg=PA317}}</ref>

It has been identified as an endangered species in Viet Nam, where it may be called '''''sơn đào'''''.<ref name="vietnam.conservation">{{cite web|last=Nghia|first=Nguyen Hoang|title=Conservation of Forest Genetic Resources in Vietnam|url=http://www.fao.org/DOCREP/ARTICLE/WFC/XII/0040-B3.HTM|publisher=[[Food and Agriculture Organization]]|accessdate=13 June 2010}}</ref>

==Description== It is a medium to large deciduous tree from the dry deciduous forest with a straight clean cylindrical bole and a spreading crown of dark green leaves.<ref name="drying.study" />

This species is used in Burma and northern Thailand as a source of lacquer used for producing [[varnish]], [[waterproofing|waterproof]] or [[preservative]] paint, [[glue]], [[ceramic]] and [[lacquerware]].<ref name="BoDD" /><ref name="drying.study" /> Timber (known as ''Borneo rosewood''<ref name="timbers.manual" /><ref name="griffin">{{cite web|title=Borneo Rosewood (melanorrhea usitata) |url=http://www.exoticwood.biz/borneorosewood.htm|publisher=Griffin Exotic Wood|accessdate=13 June 2010}}</ref>) is used for furniture and inlay work.<ref name="BoDD" />

The tree's sap and sawdust can cause dermatitis and skin irritation.<ref name="BoDD" />

An incompletely identified ''4-heptadec(en)yl catechol'', which was named ''[[thitsiol]]'', has been reported to occur in this species.<ref name="BoDD" /> Sap also contains ''[[urushiol]]''.<ref name="waynes.world">{{cite web|title=Economically Important Plant Families|url=http://waynesword.palomar.edu/econpls.htm|accessdate=13 June 2010|archive-date=27 June 2010|archive-url=https://web.archive.org/web/20100627141057/http://waynesword.palomar.edu/econpls.htm|url-status=dead}}</ref>

==References== {{Reflist}}

==External links== * {{Commons category-inline|Gluta usitata|''Gluta usitata''}} * [[Type specimen]] of [http://plants.jstor.org/stable/10.5555/al.ap.specimen.wu0038833 ''Melanorrhoea usitata''] * [http://plants.jstor.org/stable/10.5555/al.ap.specimen.br0000006954291 Isotype]

[[Category:Anacardiaceae]] [[Category:Plants described in 1829]] [[Category:Flora of Vietnam]] [[Category:Flora of Myanmar]] [[Category:Flora of Thailand]] [[Category:Lacquerware]]