ETHNO BOTANICAL SURVEY AND SUSTAINABLE USE OF MEDICINAL PLANT SPECIES FOR THE TREATMENT OF TROPICAL DISEASES, YEWA NORTH SOUTHWESTERN NIGERIA

Abstract

This study was carried out to examine medicinal plant species that is used to treat tropical diseaseYewa North southwestern Nigeria. The objective of the study was to investigate the indigenous use of plant species in the treatment of tropical diseases in the study area and provide a wider database on the use of forest plant parts especially leaves in indigenous healthcare. Data was collected using field surveys and conducting short interview traditional medicine homes for parts plant species that are used for the treatment of tropical diseases. Field trips were embarked upon for two months from May and June 2021 for medicinal plant species identification. In all, fifty-five (55) plant species were identified to be used in the treatment of tropical diseases such as malaria, typhoid fever, dysentery, blood pressure, cough and others. The family composition of plant species in the study area indicate that 27families were identified, with Fabaceae having the highest number plant species of eight (8), this is followed by Apocynaceae with five (5) plant species The life form of plant species showed that 32 of the plant species were trees,14 were shrubs, 6 herbs and 3 climbers figure 2.The result of part of plantused revealed that leaves was the highest of 45%, this is followed by bark 19% and roots 17% and lowest is the used of whole Plant 3% figure 3