Rhus chinensis Wikipedia
Mill. Synonyms Rhus javanica auct. Rhus semialata Murray Rhus chinensis, the Chinese sumac, or nutgall tree, is a plant species in the genus Rhus. Galls produced on the species that are called Chinese gall, Galla Chinensis, or Wu Bei Zi () in Chinese, are a source of gallotannins, molecules of hydrolyzable tannins.