“…Even so, the taxonomic knowledge of this genus in Brazil is scarce and usually founded in classical literature (Baillon 1864;Müller 1866Müller , 1873. Nonetheless, the taxonomic revisions of Gomes (2006), Riina (2006), Medeiros (2007), Lima and Pirani (2008), Carneiro-Torres (2009), andCaruzo (2010), the floristic studies (Lucena 2000(Lucena , 2009Caruzo and Cordeiro 2007;Suva et al 2009Suva et al , 2010, as well as a checklist of the Groton species that occur in Brazil prepared by Cordeiro et al (2012) have provided important taxonomic contributions to fhe genus.…”