Sladenia integrifolia is a species of tree in the family Sladeniaceae found in southern Yunnan, China. Its type locality is Zhemi Township (), Jinping Miao, Yao, and Dai Autonomous County, southern Yunnan, China.
It is found in secondary evergreen forests at 1000âÂÂ1300 m above sea level. Sladenia integrifolia flowers from March to June. Fruiting occurs from July to December.