This study aimed to conduct an ethnobotanical survey of medicinal species in an área of cerrado vegetation in the chapada do Araripe, Ceara, as well as evaluating and selecting species with potential for bioprospecting, based on the relative importance of the species and the consensus among the informants. The ethnobotanical data were collected through semi-structured interviews and a free list, and by using the technique "snowball". It was analyzed the relative importance of the mentioned plants as well as species that stood out on the bodily systems, based on the factor:consensus among the informants. It was recorded a total of 38 species distributed into 35 genera and 25 families. Of the total eight species (21%) presented great versatility (IR≥1) regarding to its use. The therapeutic indications were grouped into 14 categories of bodily systems. Disorder of respiratory and genitourinary systems, injuries, poisoning and other consequences of external causes and diseases of the blood, organs and connective tissue, obtained a greater consensus among the informants. Ximenia americana, Himathantus drasticus, Stryphnodndron rotundifolium, Hancornia speciosa and Cecropia pachysthachya were the species subject to further study, based on versatility, and consensus of the use among the informants.
Key words: Ethnobotany, factor in consensus, local knowledge, potential therapeutic, regional species, relative importance.
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