Medicinal plants in Mexico: healers' consensus and cultural importance

Michael Heinrich, Anita Ankli, Barbara Frei, Claudia Weimann and Otto Sticher

Social Science & Medicine, 1998, vol. 47, issue 11, 1859-1871

Abstract: Medicinal plants are an important element of indigenous medical systems in Mexico. These resources are usually regarded as part of a culture's traditional knowledge. This study examines the use of medicinal plants in four indigenous groups of Mexican Indians, Maya, Nahua, Zapotec and - for comparative purposes - Mixe. With the first three the methodology was similar, making a direct comparison of the results possible. In these studies, the relative importance of a medicinal plant within a culture is documented using a quantitative method. For the analysis the uses were grouped into 9-10 categories of indigenous uses. This report compares these data and uses the concept of informant consensus originally developed by Trotter and Logan for analysis. This indicates how homogenous the ethnobotanical information is. Generally the factor is high for gastrointestinal illnesses and for culture bound syndromes. While the species used by the 3 indigenous groups vary, the data indicate that there exist well-defined criteria specific for each culture which lead to the selection of a plant as a medicine. A large number of species are used for gastrointestinal illnesses by two or more of the indigenous groups. At least in this case, the multiple transfer of species and their uses within Mexico seems to be an important reason for the widespread use of a species. Medicinal plants in other categories (e.g. skin diseases) are usually known only in one culture and seem to be part of its traditional knowledge.

Keywords: medicinal; plants; traditional; medicine; self-medication; intercultural; comparison; Mexican; Indian; informant; consensus; ethnobotany (search for similar items in EconPapers)
Date: 1998
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Citations: View citations in EconPapers (18)

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