(Cunoniaceae in the Parque Estadual do Ibitipoca, Minas Gerais, Brazil). A taxonomic treatment of Cunoniaceae in the Parque Estadual do Ibitipoca is presented. The study area is part of the Mantiqueira Range, in southeast of Minas Gerais. This Atlantic Forest area has an area of 1,923.5 hectares with an altitudinal gradient varying between 1.000 and 1.784 m. Its vegetation comprises a mosaic of phytophysiognomies, with predominance of the campos rupestres. The family is represented by two genera and three species: Lamanonia ternata, Weinmannia discolor and W. paullinifolia. Descriptions, identification key, illustrations, and taxonomic, ecological and of distribution geographic comments of the species are presented.