Demand and market pattern of Aframomum melegueta K. Schum, Garcina kola Heckel, Senna alata (L.) Roxb., Tetrapleura tetrapetra (Schum & Thonn) Taub., and Piper guineense Thonn & Schum for medicinal purposes were carried out among the states in the south-western part of Nigeria with the study area comprising of Oyo, Ekiti and Ogun states. The population consisted mainly of Yoruba but mixed with other ethnic groups and foreigners who have settled down especially in the state capitals. Primary

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... were collected through a survey of the medicinal plants in the study area. Structured questionnaires were administered using the participatory method with the buyers and suppliers of the products. The result of the study showed that majority of the respondents (64.79%) prefer daily market to other marketing patterns and over 80% of them offered all plant parts for sale. It was also discovered that the parts of medicinal plants sold depended on location.