
A review of the phylogenetic relationships of the Zingiberales is presented and the distribution patterns and diversity of Heliconia are discussed. Sixty-five species names have been applied to the heliconias that occur in Brazil. Of these 65 names, 28 are generally recognized synonyms. Of the remaining 37 species of Brazilian Heliconia, some controversy exists over the taxonomic status of at least eight. Two primary areas of distribution of species of Heliconia exist in Brazil: the Amazon basin (21 species) and the Atlantic coastal forest (20 species).É apresentada uma revisão filogenética das Zingiberales e os padrões de distribuição geográfica e a diversidade das Heliconia são apresentados. Para o gênero são referidos 65 nomes de espécies dos quais provavelmente 28 sejam sinonímias. Das 37 espécies restantes, existe controvérsia pelo menos para oito delas. Duas áreas de distribuição de espécies de Heliconia são apresentadas para o Brasil: a bacia amazônica (21 espécies) e a floresta costeira Atlântica (20 espécies).
distribuição, QK1-989, Zingiberales, distribution, Botany, Heliconia, diversidade, diversity
distribuição, QK1-989, Zingiberales, distribution, Botany, Heliconia, diversidade, diversity
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