Piperaceae do Parque Nacional do Viruá, Caracaraí, Roraima, Brasil
Piperaceae of the Parque Nacional do Viruá, Caracaraí, Roraima, Brazil
Piperaceae comprises five genera, approximately 3.600 species with a pantropical distribution, and in Brazil this family is represented by about 450 taxa. Therefore, the aim of this research was do the taxonomic treatment of species that occur in Parque Nacional do Viruá, state of Roraima. Field trips were conducted between September 2011 and August 2012, and vouchers from herbaria were also analyzed. We found 16 taxa, 12 of the genus Piper L. and four of Peperomia Ruiz & Pav. Eleven taxa are new records for the state, and one is a new record for Brazil. Most species were collected in the lowlands forests, but some were found in floodplain forests.
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