rhus chinensis

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 (五倍子) in Chinese, are a source of gallotannins, molecules of hydrolyzable tannins. Infestation of the tree by Chinese sumac aphids (Melaphis chinensis Bell) may lead to production of a gall that is valued as a commercial product in China.

Chinese galls are used in traditional Chinese medicine for coughs, diarrhea, night ...