| Summary: | Background. The patios are traditional productive units that provide plants with multiple use value to the rural families of Mexico. However, capitalism promotes its deterioration and violates food security. Objetive. Analyze the useful plants of the courtyards to the families of Santo Domingo Ocotitlán in Tepoztlán, Morelos, Mexico. Methodology. Ethnobotanical knowledge was documented of 27 open interviews, guided tours and collection of botanical material for identification; the Cultural Value Indices (CVI) and medicinal diversity (MDV) of each plant were calculated. Results. 94 species belonging to 45 botanical families were recorded, Rosaceae highlighted (11.1%). Ten use values were recorded, with food (37.2%) and medicinal (29.7%) standing out. The medicinal plants treat 27 diseases classified in 10 categories, highlighting: digestive system (35.5%) and respiratory system (22.6%). 90% of the species are destined for self-sufficiency. The plants with the highest CVI were: Persea americana and Citrus aurantifolia (0.47). The species with the highest MDV was Aloe vera (0.19). Implications. The information generated in this research must be included in public management, conservation and social welfare policies.Conclusion. The traditional patios studied provide environmental goods and services to the peasant families of Santo Domingo.
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