''Gluta usitata'', previously known as ''Melanorrhoea usitata'', is an Asian tree species in the family

Anacardiaceae The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce ...

. It may be known as Burmese lacquer,''Melanorrhoea usitata''
at ZipcodeZoo.com theetsee,
in BoDD – Botanical Dermatology Database thitsi or ringas. It has been identified as an endangered species in Viet Nam, where it may be called ''sơn đào''.

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. This species is used in Burma and northern Thailand as a source of lacquer used for producing

varnish Varnish is a clear Transparency (optics), transparent hard protective coating or film. It is not to be confused with wood stain. It usually has a yellowish shade due to the manufacturing process and materials used, but it may also be pigmente ...

, waterproof or

preservative A preservative is a substance or a chemical that is added to products such as food products, beverages, pharmaceutical drugs, paints, biological samples, cosmetics, wood, and many other products to prevent decomposition by microbial growth or ...

paint,

glue Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation. The use of adhesives offers certain advantage ...

ceramic A ceramic is any of the various hard, brittle, heat-resistant, and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature. Common examples are earthenware, porcela ...

and

lacquerware Lacquerware are objects decoratively covered with lacquer. Lacquerware includes small or large containers, tableware, a variety of small objects carried by people, and larger objects such as furniture and even coffins painted with lacquer. Before ...

. Timber (known as ''Borneo rosewood'') is used for furniture and inlay work. The tree's sap and sawdust can cause dermatitis and skin irritation. An incompletely identified ''4-heptadec(en)yl catechol'', which was named '' thitsiol'', has been reported to occur in this species. Sap also contains ''

urushiol Urushiol is an oily mixture of organic compounds with Allergic contact dermatitis, allergenic properties found in plants of the Family (biology), family Anacardiaceae, especially ''Toxicodendron'' ''spp.'' (e.g., poison oak, Toxicodendron vernic ...

''.

References

External links

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Type specimen In biology, a type is a particular wikt:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to ancho ...

o
''Melanorrhoea usitata''

Isotype
{{Taxonbar, from=Q15545369, from2=Q6811536 Anacardiaceae Plants described in 1829 Flora of Vietnam Flora of Myanmar Flora of Thailand Lacquerware