Ethnopharmacological survey of medicinal plants in Jeju Island, Korea

Background: This study aims to analyze and record orally transmitted knowledge of medicinal plants from the indigenous people living in Hallasan National Park of Korea.Methods: Data was collected through the participatory rural appraisal method involving interviews, informal meetings, open and group discussions, and overt observations with semi-structured questionnaires.Results: In this study, a total of 68 families, 141 genera, and 171 species of plants that showed 777 ways of usage were recorded. Looking into the distribution of the families, 14 species of Asteraceae occupied 11.1% of the total followed by 13 species of Rosaceae, 10 species of Rutaceae, and nine species of Apiaceae which occupied 5.0%, 7.1% and 3.0% of the whole, respectively. 32 kinds of plant-parts were used for 47 various medicinal purposes. Values for the informant consensus factor regarding the ailment categories were for birth related disorders (0.92), followed by respiratory system disorders (0.90), skin disease and disorders (0.89), genitourinary system disorders (0.87), physical pain (0.87), and other conditions. According to fidelity levels, 36 plant species resulted in fidelity levels of 100%.Conclusion: Consequently, results of this study will legally utilize to provide preparatory measures against the Nagoya Protocol (2010) about benefit-sharing for traditional knowledge of genetic resources.