Life History and Behavior
Molecular Biology and Genetics
Barcode data: Toxicodendron succedaneum
Statistics of barcoding coverage: Toxicodendron succedaneum
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
Statistics of barcoding coverage: Rhus succedanea
Public Records: 0
Specimens with Barcodes: 14
Species With Barcodes: 1
Relevance to Humans and Ecosystems
Toxicodendron succedaneum, the wax tree, Japanese wax tree or sơn in Vietnam, is a flowering plant species in the genus Toxicodendron found in Asia, although it has been planted elsewhere, most notably Australia and New Zealand. It is a large shrub or tree, up to 8 m tall, somewhat similar to a sumac tree. Because of its beautiful autumn foliage, it has been planted outside of Asia as an ornamental plant, often by gardeners who were apparently unaware of the dangers of allergic reactions. It is now officially classified as a noxious weed in Australia and New Zealand. It is one of the city tree symbols of Kurume, Fukuoka, Japan.
In East Asia, in particular in Japan, traditional candle fuel (also called Japan wax) was produced, among other sumac plants, from Rhus succedanea crushed fruits rather than beeswax or animal fats. Japan wax is a byproduct of lacquer manufacture. It is not a true wax but a fat that contains 10-15% palmitin, stearin, and olein with about 1% japanic acid (1,21-heneicosanedioic acid). Japan wax is sold in flat squares or disks and has a rancid odor. It is extracted by expression and heat, or by the action of solvents. The fatty-acid methyl ester of the kernel oil meets all of the major biodiesel requirements in the USA (ASTM D 6751-02, ASTM PS 121-99), Germany (DIN V 51606) and European Union (EN 14214).
It is used as a medicinal plant in India.
The fruits are edible though their consumption is not recommended because of the general toxicity of the plant.
A very common wild tree in Hong Kong
- Lin, YM; Chen, FC; Lee, KH (1989). "Hinokiflavone, a cytotoxic principle from Rhus succedanea and the cytotoxicity of the related biflavonoids". Planta medica 55 (2): 166–8. doi:10.1055/s-2006-961914. PMID 2526343.
- Mohibbeazam, M; Waris, A; Nahar, N (2005). "Prospects and potential of fatty acid methyl esters of some non-traditional seed oils for use as biodiesel in India". Biomass and Bioenergy 29 (4): 293. doi:10.1016/j.biombioe.2005.05.001.
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