Abstract: Three new taxa of Sterculiaceae are described , Fimiana danxjaensis occurs in Danxia Shan of Guangdong Province. It grows on the slopes of rocky hills and sometimes cultivated as an ornamental ,Sterculia yuanjiangensis occurs in Yuanjiang County of Yunnan Province. Sterculia nobills var. subspontanea is known in Southwestern of Guangxi Province. It grows in evergreen forest on limestone hills.