Ethnobotanical Study of Medicinal Plants in Nagelle Arsi District, West Arsi Zone of Oromia, Ethiopia

Marshet Gijan


Ethnobotanical study was conducted in Nagelle Arsi District, Ethiopia with the objective of identifying and documenting medicinal plants, associated indigenous knowledge and ethnobotanical practices of local communities. Household survey using semi-structured interviews, key informant interview, group discussions, field observations and market survey methods were used for data collection. A total 17 kebeles (smallest administrative unit) out of the 34 in the District were selected for this study, from which 90 informants for the household survey were interviewed. Eight key informants per each site were selected following purposive sampling method. Qualitative and quantitative statistical methods, priority ranking, paired comparison, direct matrix ranking, informant consensus and percentage distribution were used for data analysis. A total of 102 medicinal plants belonging to 85 genera and 55 families were collected and identified including four endemic plants to Ethiopia. The finding indicated that 65 species were used for treating human diseases, 31species for both human and livestock diseases and 7 for livestock diseases. Species used for treating cancer, blood pressure, malaria, diabetes, hemorrhoids and prostate problems were identified and documented. Seventeen medicinal plants were found to be wild edibles. Commonly used plant parts were leaves followed by roots and barks. The common routes of administration were oral followed by dermal. It was concluded that although the District was rich in medicinal plants, these species have been under serious threat due to agricultural expansion, deforestation, forest degradation and over harvesting for different purposes including firewood collections. Therefore, urgent conservation measures applying in-situ and ex-situ methods and strengthening sustainable management of natural forest were recommended.

Keywords: Biodiversity conservation, indigenous knowledge, medicinal plants, Nagelle Arsi, sustainable use.

DOI: 10.7176/JNSR/9-13-01

Publication date:July 31st 2019

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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