摘要: During 1987-1988 the author was invited by the Universidade do Amazonas (University of Amazonia), at Manaus, Brazil, as a visiting professor to do cooperative research in medicinal plants indigenous to the Amazon. It is well-known that the Amazon has the most abundant plant resources, in which the medicinal plant resources are included, in the world. Although some available references dealing with Amazonian medicinal plants have been