Abstract
Miconia papillosperma, a new species of Melastomataceae shrubs from Northern Brazil is described and illustrated. This new species is characterized by elliptic lanceolate leaves with the only pair of secondary veins running close to the margin. It is also unique in having seeds with a papillose testa, a character until now unknown in the Miconieae. The description of this new species from a relatively well collected area near a major road north of Manaus, Amazonas, Brazil, is further evidence of our lack of knowledge on plants in many Neotropical areas.
Highlights
As part of the NSF-funded project PBI-Miconieae, a large amount of unprocessed material and undetermined specimens have been seen by specialists in Melastomataceae in the last seven years, resulting on the determination of several thousand specimens at more than 20 different herbaria, the revision of several small and medium sized groups of this family (e. g. Judd and Ionta 2013; Judd et al 2014; Gamba and Almeda 2014), and the description of almostCopyright F.A
Herbaria in Brazil and the US (INPA, MO, NY, SP, RB, UPCB, US; acronyms following Thiers 2015) with important collections of Amazonian Melastomataceae were consulted in order to find specimens that could be assigned to this new species and in the search of putative relatives
A shrubby species of berry-fruited Melastomataceae characterized by elliptic-lanceolate leaves with the only pair of secondary veins running close to the margin, and with abundant simple, red trichomes. It differs from morphologically similar species of Clidemia by the inflorescences that are terminal, and of Leandra Raddi by the flowers with rounded petals
Summary
As part of the NSF-funded project PBI-Miconieae (see http://sweetgum.nybg.org/melastomataceae), a large amount of unprocessed material and undetermined specimens have been seen by specialists in Melastomataceae in the last seven years, resulting on the determination of several thousand specimens at more than 20 different herbaria, the revision of several small and medium sized groups of this family (e. g. Judd and Ionta 2013; Judd et al 2014; Gamba and Almeda 2014), and the description of almostCopyright F.A. Herbaria in Brazil and the US (INPA, MO, NY, SP, RB, UPCB, US; acronyms following Thiers 2015) with important collections of Amazonian Melastomataceae were consulted in order to find specimens that could be assigned to this new species and in the search of putative relatives. Miconia papillosperma (Melastomataceae, Miconieae): a new species...
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