Taxonomic synopsis of (Berberidaceae) from the northern Hengduan mountains region in China, with descriptions of seven new species.

Though (Berberidaceae) is widely distributed across the Eurasian landmass it is most diverse in the Himalaya-Hengduan Mountain (HHM) region. There are more than 200 species in China where it is one of the most common mountain shrubs. The study on the taxonomy and evolution of in this region can thus provide an important insight into the origin and diversification of its flora.