Results: Fifty-five medicinal plant species from 33 angiosperm families were used by traditional herbal medical practitioners to produce 68 TOPHFs that are indicated for treating 17 different health conditions. The sources of raw material herbs, in relative terms, were purchased from herbal markets (43.8%), collected from the wild (28.1%) and cultivated (28.1%). Most of the herbs can be sustainably harvested and only 3 (i.e. 5.5%) of the 55 plant species (i.e. Lophira alata Banks ex Gaertn., Khaya senegalensis A. Juss. and Garcinia kola Heckel) are under threatened (vulnerable) species.
Conclusion:Production of TOPHFs in Ogbomoso is sustainable with minimal injury on the natural flora.
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