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Revista Brasileira de Plantas Medicinais

versão impressa ISSN 1516-0572versão On-line ISSN 1983-084X


VIEIRA, L.S; SOUSA, R.S.  e  LEMOS, J.R.. Known medicinal plants by local experts in a rural community in Maranhão. Rev. bras. plantas med. [online]. 2015, vol.17, n.4, suppl.3, pp.1061-1068. ISSN 1516-0572.

This study aimed to conduct an inventory of medicinal plants in a rural community in Maranhão, analyzing the use value and the relative importance of species as well as the consensus of the informants about the treated diseases. Fifty semi-structured interviews were conducted using the sampling method “snow-ball” and the technique “guided tour” was employed in order to collect the species mentioned. Local experts mentioned 63 species belonging to 44 families, from which Fabaceae, Apocynaceae, Lamiaceae and Myrtaceae represented the highest number of species. The plant which had the highest use value was the Morinda citrifolia L.. The Himatanthus drasticus (Müll.Arg.) Woodson was the species with the highest relative importance. Among the body systems treated with plant resources, those who had the most consensus among the informants were related to stomach, esophagus and duodenum diseases and viral infections characterized by skin lesions (both ICF = 0.83). Because of the abundance of knowledge about medicinal plants in this state of Brazil, where the health system is quite precarious and where the nature of ethnobotanical studies are still scarce, it is suggested that new ethnobotanical studies are conducted in order to show the dynamics of local knowledge and its ecological and social implications.

Palavras-chave : Medicinal plants; Ethnobotany; Rural zone.

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