Palavras-chave: Amazônia Oriental, Flora do Maranhão, Tribo Myrteae, Nordeste

Abstract

The Myrtaceae family in the restingas of the Island of Maranhão, Brazil. We present the taxonomic study for the Myrtaceae species of the litoral of Island of Maranhão. The Island is located in the extreme north of the state, in the center of the "Golfão Maranhense" and includes four municipalities: São José de Ribamar, São Luís, Paço do Lumiar and Raposa. The study was based on the specimens collected in the field between 2016 and 2018 in eight dunes areas (dunes of Araçagi beach, Caolho beach, Guia beach and São Marcos beach) and restinga (Restinga of Caúra beach, Curupu Island, Panaquatira beach and Sítio Aguahy) and analyzes of the material deposited in the collection of the Herbarium of Maranhão (MAR). A total of 16 species and 6 genera. The study includes species identification key, descriptions, illustrations, comments on morphological similarities, phytogeographic distribution data and information on reproductive phenology.