Two new species of the genus Borreria, B. carajasensis E.L. Cabral & L.M. Miguel and B. elaiosulcata E.L. Cabral & L.M. Miguel, are described and illustrated, based on material collected from iron outcrops in the Serra dos Carajás region, Pará State, Brazil. A key to morphologically similar species is provided; these species can be recognized by their transversally sulcate seeds. Borreria cupularis and B. multiflora are reported for the first time from the Pará State.
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1 June 2012
Two New Species of Borreria (Rubiaceae) from Brazil, with New Distributional Records for Pará State and a Key to Species with Transversally Sulcate Seeds
Elsa L. Cabral,
Laila M. Miguel,
Pedro L. Viana
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