Essential oils of four Myrtaceae species from the Brazilian southeast

► Leaf essential oil of Myrtaceae species from Brazilian southeastern Atlantic forest. ► Cadinane-type sesquiterpenes predominated in Eugenia copacabanensis, trans-Caryophyllene in Eugenia acutata and guaiol-cadinol isomers in Eugenia candolleana. α-Bisabolene constituted 80% of Myrcia splendens leaf oil. ► Chemical data and phylogenetic relationships between Myrtaceae genera and species.