The study aimed toflist the medicinal plants used by members of the Rural Community of Santo Antonio, in the city of Currais, state of Piauí, Brazil, in order to assess the value of use and richness of the species known locally. Approximately 121 species were mentioned by 32 respondents. The most representative families were Fabaceae, Arecaceae and Anacardiaceae. The species with the highest use wa:[Amburana cearensis (Allemão) A. C. S]. There were no significant differences between genders in terms of knowledge, as well as income and education. However, the age significantly influenced knowledge about useful plants. The richness of the Piauí flora, marked by presenting areas of transition between the Brazilian Caatinga and Cerrado in the south, offers a unique opportunity for the development of research covering the scope of plant biodiversity and associated traditional knowledge.
Ethnobotany; Value of Use; Phytotherapy; Conservation
