Superfície da lâmina foliar de Psychotria nuda (Cham. & Schltdl.) Wawra, P. leiocarpa Cham. & Schltdl., P. stenocalyx Müll. Arg. e P. tenuinervis Müll. Arg. (Rubiaceae)

Micromorphology characteristics of foliar surface of Psychotria specimens are presented. The material studied was collected from specimens which grow in Tropical Rain Forest (Mata Atlântica). Special focusing is concentrated on the epicuticular wax type, as well as on the sculpture of the surface of stomata, papillae and other epidermic cells.