The objective of this work was to collect information on the curative use of plants in the municipality of Teziutlán, Puebla through semi-structured interviews. Thus, 78 plants used for medicinal purposes were identified, of which 40 are native to Mexico and 38 introduced; The value of use (UV) of each one and the Informant's Consensus Factor (FCI) of 10 categories of diseases were calculated. The five most frequently used plants are Ruta chalepensisL., Rosmarinus officinalis, Arnica montana, Loeselia mexicana(Lam.) Brandegee and Sambucus ceruleavar., Neomexicana, which underwent a chemical and pharmacological review. On the other hand, the most frequent preparations are infusion and decoction, using mainly leaves (49.34%) and flowers (19.51%). It is concluded that the inhabitants of Teziutlán have a fairly homogeneous ethnomedical knowledge, setting the standard for research on its pharmacological properties.

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