Isabelia Barb. Rodr. is a South-american endemic genus, formed by three species and a nototaxon. All taxa are found in Brazil, distributed in the phytogeografic domain of the Cerrado and of the Atlantic Forest, in the South, Southeast, Center-west and in the Northeast regions. A taxonomic study of the Isabelia was presented in Paraná and the results revealed the occurrence of all the described species: Isabelia pulchella (Kraenzl.) Van den Berg & M.W. Chase; Isabelia violacea (Lindl.) Van den Berg & M.W. Chase, Isabelia virginalis Barb. Rodr. and the nototaxon Isabelia × pabstii (Leinig) Van den Berg & M.W. Chase. Identification key, morphological descriptions, geographic distribution, comments, status of conservation and illustration are presented of each species.
South-America; flora of Paraná; nototaxon; taxonomic study
