Abstract: Six new species and one oew variety of the genus Begonia from yunnan, China are described.They are Begonia lancangensis S,H,Huang,B.ceratocarpa S,H.Huang & Shui B.yingjiangensis S.H.Huang,B.subhouii S.H.Huang ,B. manhaoensis S.H.Huang et Shui,B.obliquefolia S.H.Huang et Shui,B.balansana Gagn. var,rubropilosa S.H.Huang & Shui .Eight species are describeb additionally and one species is named newkt,They are B.tetragona lrmsch., B.obsolescens lrmsch.,B. laminariae lrmsch .,B.truncatiloba lrmsch.,B. uillifolia lrmsch.,B.psilophylla lrmsch.,B.uersicolor lrmsch.,B.hekouensis S.H.Huang., B.pseudodryadis C.Y.Wu.

Key words: Begonia

摘要： 描写了云南产秋海棠属6个新种1个新变种，它们是澜沧秋海棠、角果秋海棠、盈江秋海棠、粉叶秋海棠、蔓耗秋海棠、斜叶秋海棠、红毛香花秋海棠，补充描述了8个种及新命名1种，即四棱秋海棠、不显秋海棠、薄叶秋海棠、截裂秋海棠、长柔毛秋海棠、光叶秋海棠、变色秋海棠、假厚叶秋海棠、河口秋海棠。

关键词: 秋海棠属, 新种, 新变种, 补充描述, 新名, 云南