Miconias Do Município Do Rio De Janeiro Seção Miconia Dc. (Melastomataceae)

Baumgratz, José Fernando A.

doi:10.1590/2175-78601980325508

Rodriguésia

1980

DOI: 10.1590/2175-78601980325508

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Miconias Do Município Do Rio De Janeiro Seção Miconia Dc. (Melastomataceae)

José Fernando A. Baumgratz

Abstract: RESUMO 0 autor apresenta neste trabalho, o estudo taxonômico das espécies do gênero Miconia Ruiz et Pav., seção Miconia, ocorrentes no Município do Rio de Janeiro. Foram referidas 5 espécies para a região em estudo, com ilustrações, fotografias dos tipos e descrições, onde se salientam os tipos de nervação das folhas, cálices, corolas, estames e apêndice do conectivo, além do estudo da pilosidade das folhas e pétalas. Para o reconhecimento das espécies consta uma chave analítica.

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Melastomataceae in a continental Atlantic Forest island from southeastern Brazil

2014

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The Marambaia is an important natural refuge for preserving the genetic heritage of several rain forest plant species. In this insular region, where the vegetation types are Lower Montane Rain Forest and restingas (sandy coastal plain habitat), the impressive diversity of Melastomataceae consists of seven genera and 25 species of which 13 represent new records for the area. Miconia is best represented with 10 species, followed by Tibouchina (6 spp.), Leandra (4 spp.), Clidemia (2 spp.) and Huberia, Marcetia and Ossaea (1 sp. each). Most of the species are shrubs or trees and occur in Dense Submontane Ombrophilous Forest. Huberia ovalifolia DC., Leandra acutiflora (Naudin) Cogn. and Leandra melastomoides Raddi are cited in the list of endangered species for the municipality of Rio de Janeiro. An identification key is provided as well as descriptions, illustrations, comments on morphological peculiarities of species, and geographical and phenological data.

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Melastomataceae in a continental Atlantic Forest island from southeastern Brazil

2014

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Miconia valentinensis (Melastomataceae), a new species from Espírito Santo, Brazil

Bacci

Goldenberg

2015

Phytotaxa

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During the preparation of the monograph on Miconia for the Flora of Espírito Santo, Brazil, a new species was recognized and is described in this paper. Miconia valentinensis was found in Serra do Valentim, in Iúna Municipality. It has leaves with a slightly cordate base, 5+2 nerves (the inner pair strongly suprabasal, plus a basal median pair and a faint additional marginal pair), branches with strong longitudinal ridges, calyx early caducous, with the petals basally adhering to it, anthers dehiscing through a broad longitudinal slit, and with the ovary glabrous at the apex.

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Miconia gigantea, a long-forgotten endemic and endangered species of Melastomataceae in the Brazilian Atlantic Forest

Rosa

Baumgratz

Neto

2016

An. Acad. Bras. Ciênc.

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Taxonomic and floristic studies in the state of Rio de Janeiro allowed the rediscovery of Miconia gigantea, an endemic species to the Atlantic Forest, until recently known only from the type specimen, collected over 100 years by A.F.M. Glaziou. We present an amended and detailed description of M. gigantea, providing characteristics of the flowers, fruits and seeds, in addition to illustrations, comments about taxonomic affinities with closely related species, the presently known distribution together with new occurrence records, and the conservation status.

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Miconias Do Município Do Rio De Janeiro Seção Miconia Dc. (Melastomataceae)

Cited by 12 publications

References 0 publications

Melastomataceae in a continental Atlantic Forest island from southeastern Brazil

Melastomataceae in a continental Atlantic Forest island from southeastern Brazil

Miconia valentinensis (Melastomataceae), a new species from Espírito Santo, Brazil

Miconia gigantea, a long-forgotten endemic and endangered species of Melastomataceae in the Brazilian Atlantic Forest

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