Abstract
One of the largest genera of Myrtaceae, with more than 300 species distributed from Mexico to southern Brazil, Myrcia is a medicinal plant with great economic interest to Brazil. M. multiflora (Lam.) DC., M. shaerocarpa DC. and M. spp. is used in controlling diabetes, and M. amazônica DC. in the treatment of leukemia. Chemical composition of essential oils of these plant species are espec…