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Resumen: Tagetes lucida (pericón), T. lunulata (cinco llagas) y T. micrantha (anisillo), especies utilizadas como recurso terapéutico tradicional en el municipio Nicolás Romero, Estado de México, se estudiaron con la fi nalidad de aportar información a la farmacopea herbolaria de México. El trabajo etnobotánico se llevó a cabo por medio de entrevistas semiestructuradas a la población en general y para el estudio morfo-anatómico se recolectaron ejemplares en campo. Los tallos y hojas se cortaron a mano alzada y con un micrótomo de rotación y los cortes se tiñeron con safranina-verde rápido. Las especies se reconocieron para tratar dolor de estómago y diarrea, como tranquilizantes y para contrarrestar los cólicos menstruales. La manera frecuente de prepararlas es en infusión. El análisis morfológico mostró que los caracteres que más contribuyen para diferenciar entre especies son los relacionados con la arquitectura foliar. Anatómicamente las especies se distinguen por los tricomas, el arreglo y número de los cordones vasculares del mesofi lo en la hoja y por el arreglo del córtex y del esclerénquima en el tallo. Se incluye una clave basada en caracteres morfo-anatómicos. Palabras clave: anatomía vegetal, anisillo, Asteraceae, cinco llagas, herbolaria mexicana, pericón, plantas medicinales, Tagetes lucida, Tagetes lunulata, Tagetes micrantha. Abstract:Tagetes lucida (pericón), T. lunulata (cinco llagas), and T. micrantha (anisillo), traditionally used as therapeutic resource in the locality of Nicolas Romero, Estado de México, were studied in order to provide information to the herbal pharmacopoeia of Mexico. Ethnobotanical work was conducted through semi-structured interviews to the general population and for morpho-anatomical research, fi eld specimens were collected. The stems and leaves were sectioned by free hand and by using a rotary microtome and stained with safranin-fast green. The interviews showed that the species are used to treat stomach ache and diarrhea, as a relaxing agent, and to relieve menstrual cramps. The most common way to prepare them is as a tea. The morphological analysis showed that vegetative characters that provide more information to differentiate among species are related to the leaf architecture. Anatomically, the distinctive features are trichomes, distribution and number of vascular strands in the leaf mesophyll, and distribution of the cortex and sclerenchyma in the stem. This work also includes a key based on morphological and anatomical characters.

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sources, herbarium work, and the author´s own observations, 41 taxa belonging to 12 genera and 37 species; four at level of genus were recognized. 461 records indicated that Lantana camara, Verbena carolina, Phyla scaberrima, and Lippia graveolens are the most cited species. 198 popular names were recognized, being Lantana camara the species with the highest number of denominations. The knowledge of the medicinal use of Verbenaceae comes mainly from researches carried out in the central area of the country. Recorded pathologies were organized in 16 categories; illness of the digestive system are emphasized, female reproductive system, skeletal muscle system, and culture-bound syndromes. This is supported by the similarity analysis concentrating in a large set to 92% of the species to treat diseases of the digestive system and include in this set to other groups of species related to system and diseases mentioned. Phenetic analysis also separates two other sets of species to treat skin diseases and urinary tract. Only six species are in the process of being included in the Herbal Pharmacopoeia of the United Mexican States (FHEUM). This information will be useful for other species Verbenaceae are incorporated into the Mexican Herbal Pharmacopoeia.