Eugenia membranifolia Niedenzu, a forgotten name in Brazilian Myrtaceae and presently known only from one isotype, is reported as the correct name for most of the gatherings until now identified as Eugenia bocainensis. We provide a detailed description of E. membranifolia with comments on its distribution, ecology and conservation status, and compare it with E. bocainensis. Key words: Eugenia bocainensis, IUCN Red List, Myrteae, Phyllocaly
