Where has Aristolochia tricaudata (Aristolochiaceae) gone?. New record of a critically endangered species in Oaxaca, México new record of a critically endangered species in Oaxaca, México

During fieldwork in San Juan Teponaxtla, Oaxaca, 3 individuals of Aristolochia tricaudata Lemaire, a very rare species threatened with extinction, were observed with flowers and fruits. Although this species is present in many botanical gardens, fruits have never been observed. Conservation actions are urgently required to protect this species in the wild. Key words: Aristolochia tricaudata, Mexico, Oaxaca, Chiapas, critically endangered.