The
tung tree is a deciduous tree in the
spurge family,
Vernicia fordii.
It is known by many names in its native
China, 油桐 (lit. oil tung) being the formal name, while others (桐油樹、光桐、三年桐、百年桐、桐子樹) are common names.
The tung tree is valued for tung oil, which is derived from the seeds of the tree. It has been introduced to
Argentina,
Paraguay, and the
United States for cultivation.
Tung oil, also called China wood oil or nut oil, has traditionally been used in lamps in China. In modern times, it is used as an ingredient in paint, varnish, and caulk. It is also used as a polish for wooden furniture.
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