Nothing is more important for human survival today, than understanding nature's mechanisms via a chemo-biological language. This multidisciplinary approach is a complex operation, because it involves integration of several levels of organization, such as chemistry, morphology and ecogeography, expressed by diversification of metabolites, forms and environments, respectively. A comparison among these different expressions of life, in spite of undisputed importance, still remains an arduous research topic. Application of this unified approach would revigorate the study of old and controversial matter, plant bioactivity. To face the major challenge toward this aim: confrontation of traditional knowledge with scientific methodology, required the determination of trends among the uses of angiosperm species independently of empiricisms and regionalities. Thus, incorporation of new codes, expressing biological functions, in the chemo-biological language becomes possible only through evolutionary concepts and patterns.
ethnobotany; angiosperms; medicinal species; edible species; evolutionary patterns
