ABSTRACT The study of medicinal plants reveals locally important plant species often useful for the discovery of new drugs. The objective of this research was to conduct an ethnobotanical survey of medicinal plants used by the population of the Imperatriz city, State of Maranhão, Northeastern Brazil. Two hundred and five interviews were conducted, resulting in the collection of 60 plant species from 31 plant families. The highest number of species belongs to Fabaceae, followed by Lamiaceae, Asteraceae and Euphorbiaceae. The most reported species were Chenopodium ambrosioides, Myracrodruon urundeuva, Lippia alba, and Plectranthus barbatus. The main plant parts used were leaves (63.3%), bark (16.7%), fruits (6.7%), roots (6.7%), seeds (3.3), stems (1.7%) and... |