| Summary This paper is a contribution to elucidate an obscure problem which involves relationship of a group of plants containing the genera Anisophyllea, Polygonanthus, Combretocarpus and Poga. Genus Anisophyllea is native in both the Old and New Worlds; Polygonanthus is exclusively Amazonian; and Combretocarpus and Poga are confined to the Old World. It is a very interesting subject relating to the problems of evolution, speciation and distribution of plants, and supports the theories which endeavour to explain the centuries-old story that South America and Africa were, at one time, connected geographically. Taxonomic position of genera Anisophyllea and Polygonanthus is discussed. A new species of genus Anisophyllea is described. General characteristics... |
