Berberis bicolor is a shrub in the Berberidaceae described as a species in 1911.Léveillé, Augustin Abel Hector. 1911. Repertorium Specierum Novarum Regni Vegetabilis 9(222–226): 454 descriptions in Latin, commentary in FrenchTropicos, Berberis bicolor H. Lév. It is endemic to Guizhou Province in China. Its local common name is 二色小檗 (er se xiao bo).Flora of China Vol. 19 Page 744 二色小檗 er se xiao bo Berberis bicolor H. Léveillé
The species is rare and listed as endangered.
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