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The trees are cultivated and tapped for their toxic sap, which is used as a highly durable lacquer to make Chinese, Japanese, and Korean lacquerware. The trees grow up to 20 metres tall with large leaves, each containing from 7 to 19 leaflets (most often 11–13).
It contains trees, shrubs and woody vines, including poison ivy, poison oak, and the lacquer tree. All members of the genus produce the skin-irritating oil urushiol, which can cause a severe allergic reaction. The generic name is derived from the Greek words τοξικός (toxikos), meaning "poison," and δένδρον (dendron), meaning "tree ...
Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]
Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, Chinese lacquer tree, poison ivy, poison sumac), Comocladia spp. (maidenplums), Metopium spp.
Rhus potaninii, the Chinese varnish tree, Chinese sumac (names it shares with other species), Potanin's sumac, or Potanin's lacquer tree, is a species of flowering plant in the family Anacardiaceae. [ 3 ] [ 4 ] [ 5 ] It is native to central and southern China. [ 2 ]
The Anacardiaceae include numerous genera, several of which are economically important, notably cashew (in the type genus Anacardium), mango, Chinese lacquer tree, yellow mombin, Peruvian pepper, poison ivy, poison oak, sumac, smoke tree, marula and cuachalalate.
Creating images with crushed eggshell, painting pigment over gold and tin foil and adding sand to lacquer were all techniques developed by those first students. The metallic color lacquerware for which Vietnamese craftsmen are rightly famous, was first developed by artists experimenting with many innovative techniques.
Carved lacquer or Qidiao (Chinese: 漆雕) is a distinctive Chinese form of decorated lacquerware. While lacquer has been used in China for at least 3,000 years, [ 1 ] the technique of carving into very thick coatings of it appears to have been developed in the 12th century CE.