We present a taxonomic study on the Melastomataceae in the "Parque Estadual do Forno Grande", Espírito Santo state. There are 39 species distributed in nine genera: Leandra (12), Miconia (12), Tibouchina (9), Bertolonia, Lavoisiera, Marcetia, Meriania, Microlepis and Pleiochiton (1 species each). Four species represent new records for the state: Bertolonia mosenii Cogn., Leandra aurea (Cham.) Cogn., L. tomentosa Cogn. and Tibouchina semidecandra Cogn. Three species are threatened, according to the "Lista do Espírito Santo": Meriania tetramera Wurdack, Miconia octopetala Cogn. and Tibouchina castellensis Brade, a local endemic. We also present identification key, descriptions, illustrations and information on geographic distribution of the species.
Atlantic Forest; floristic; taxonomy
