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Heteropterys cotinifolia(Malpighiaceae) has been used in traditional Mexican medicine mainly for the treatment of nervous disorders. However, the specific neuropharmacological activities responsible for this use remain to be defined. The present study evaluates the antidepressant and anxiolytic effects produced by the methanolic extract ofHeteropterys cotinifoliaand the influence of such effects on motor activity in ICR mice. Our results show that the methanolic extract ofHeteropterys cotinifoliaproduces a dose-dependent antidepressant effect in the forced swimming test in mice at doses from 31 to 310 mg/kg, with no reduction of mice locomotion. However, no anxiolytic properties were observed. Our findings suggest that the main extract compounds identified as chlorogenic acid and rutin may be involved in the antidepressant effects. To our knowledge, the present study constitutes the first report of pharmacological and phytochemical data ofHeteropterys cotinifolia. The presence of flavonoids in the methanolic extract ofHeteropterys cotinifoliamay also provide further data to characterize taxonomically this species in order to be distinguished from others species closely related and belonging to the same genus.