Etnobotânica de plantas medicinais em duas comunidades do município de Picuí, Paraíba, Brasil

Abstract

This study conducted an ethnobotanical survey on the use of medicinal plants in the municipality of Picuí, Seridó of Paraíba, Brazil. An urban area (neighborhood monte santo) and a rural area (massapê farm) were analysed. The ethnobotanical information was obtained through semi-structured questionary containing socioeconomic characteristics of the respondents, characteristics of plants and their therapeutic uses. We selected an adult which was the responsible adult of the residence “householder” for the interview and used the technique of “snowball”. 37 plant families, 59 genera and 64 species were cited. The species most frequently cited were Vernonia condensata Baker and Chenopodium ambrosioides L. and the most mentioned family was Fabaceae. The predominant habit was the herbaceous, followed by woody, the parts of the plant which were most used are the leaves and bark of the stem, the main modes of preparation of the medicines were showers and water and / or lushness. The plant with the highest CUPc was Vernonia condensata Baker (41.67%), and it was also one of the plants with greatest FRt along with Chenopodium ambrosioides L., both with 19.6%. These results demonstrated that the studied populations still use medicinal plants often, however, most of the plants used is not native to the caatinga.