New taxa of Berberis (Berberidaceae) with greenish flowers from a biodiversity hotspot in Sichuan Pr

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A new species,Berberis viridiflora X.H.Li,and a new variety,Berberis sanguinea Franch.var.viridisepala X.H.Li,L.C.Zhang & W.H.Li are described and illustrated from Baoxing County,a biodiversity hotspot located on the eastern edge of Hengduan Mountains
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