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Caldasia
versão impressa ISSN 0366-5232versão On-line ISSN 2357-3759
Resumo
C. DE ROON, ADRIAN e GIRALDO-CANAS, DIEGO. CONTRIBUTIONS TOWARD A MONOGRAPH OF NORANTEA COMPLEX (MARCGRAVIACEAE, ERICALES): VALIDATION OF FOUR NEW SPECIES FOR MARCGRAVIASTRUM. Caldasia [online]. 2006, vol.28, n.1, pp.15-22. ISSN 0366-5232.
Four new species of Marcgraviastrum are validated. The new species are Marcgraviastrum apaporensis (endemic to the Colombian Amazonia), M. glossostipum (endemic to Ecuador), M. grandiflorum (endemic to the Peruvian Amazonia), and M. vogelii (endemic to Colombia). On the basis of few collections of the genus Marcgraviastrum, we suppose that the species are very rare, caused principally, by deforestation of the forests in recent years.
Palavras-chave : Neotropical Flora; Marcgraviaceae; Marcgraviastrum; Norantea.