Flora da Serra do Cipó, Minas Gerais: Marcetieae (Melastomataceae)

This study aims to increase knowledge about the family Melastomataceae in the Serra do Cipo, Minas Gerais and, consequently, to add new data to the project “Flora da Serra do Cipo, Minas Gerais”. Marcetieae is a recently described tribe of Melastomataceae, represented in Brazil by 112 species and 18 genera, occurring predominantly in the savannas of the Amazon, cerrado and campo rupestre, rarely occurring in forest environments. At this date were registered at Serra do Cipo 15 species and six genera, Fritzschia is the richest genus with six species, followed by Marcetia and Siphanthera with three species each, and Aciotis, Acisanthera, Macairea are represented by only one species each. Identification keys to the genera and species, descriptions, field plates, and taxonomic notes including geographical distribution and habitat are presented.