Ethnobotanical survey enlightens traditional knowledge, use and conservation of plants in Kenya

Ethnobotanical survey enlightens traditional knowledge, use and conservation of plants in tharaka-nithi county of kenya
Fig. 1. Location and study sites of Tharaka-Nithi County, Kenya. Credit: SAJOREC

An ethnobotanical survey conducted in Tharaka-Nithi County in Kenya has revealed high traditional knowledge of plant resources held by the residents. This is the first study ever done in all the regions of the county, according to researchers from the Sino-Africa Joint Research Center (SAJOREC) of the Chinese Academy of Sciences (CAS).

In this study, 214 plant species distributed in 73 were recorded to have 616 usage reports. This was documented from four communities with different but closely related dialects within a wide range of climatical and vegetation diversity.

It reveals the role of medicinal plant species in Tharaka-Nithi County. Based on the Relative Frequency of Citation (RFC) values, the most important plant species were Zanthoxylum gilletii, Ludia mauritiana J.F. Gmel., and Carissa spinarum, which were reported to be used in management of malaria. Rauvolfia mannii Stapf, Ludia mauritania, Zanthoxylum gilleti and Ocotea usambarensis Engl. were reported to be applied against cough. Sclerocarya birrea (A.Rich.) Hochst. and Adansonia digitata L. were reported for backache and gastrointestinal conditions.

Given that the conservation status of most recorded is unknown, this is a great step towards a by ensuring that species use knowledge is spread to avoid overexploitation. The higher the number of species used for a need, the lower the risk of overexploitation.

This research, titled "Traditional knowledge, use and conservation of plants by the communities of Tharaka-Nithi County, Kenya," was published in Plant Diversity.

Ethnobotanical survey enlightens traditional knowledge, use and conservation of plants in tharaka-nithi county of kenya
Fig. 2. Number of plant species per use category in Tharaka-Nithi County. Credit: SAJOREC

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More information: Vivian Kathambi et al. Traditional knowledge, use and conservation of plants by the communities of Tharaka-Nithi County, Kenya, Plant Diversity (2020). DOI: 10.1016/j.pld.2020.12.004
Citation: Ethnobotanical survey enlightens traditional knowledge, use and conservation of plants in Kenya (2021, March 9) retrieved 13 May 2021 from https://phys.org/news/2021-03-ethnobotanical-survey-enlightens-traditional-knowledge.html
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