Based on open field survey,data collection and specimens identification of Rhododendron in Hunan,some falsehoods in the related documents was clarified,and 2 new species and 6 species as new distribution were found and published.There were 62 species and 1 variety of Rhododendron in Hunan,which belonged to 5 sub-genera,8 sections and 16 subsections.The 5 sub-genera included Rhododendron Subgenus Rhododendron,Rhododendron Subgenus Hymenanthes,Rhododendron Subgenus Azaleastrum,Rhododendron Subgenus Pendanther...