Estudos da flora orquidológica do Estado do Amazonas. II - Masdevallia osmariniana Braga (Orchidaceae), espécie nova da flora amazônica

Braga, Pedro Ivo Soares

doi:10.1590/1809-43921977073333

Cited by 4 publications

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“…Para as identificações e os dados de distribuição geográfica para o Brasil, foram consultados os trabalhos de Cogniaux (1898de Cogniaux ( -1902, Hoehne (1949), Dunsterville & Garay (1959), Pabst & Dungs (1975, 1977, Werkhoven (1986), Silva et al (1995), Carnevali et al (2003), Barros et al (2009), Silva & Silva (2010) e Barros et al (2013). As terminologias para as estruturas morfológicas foram baseadas em Lawrence (1973), Radford et al (1974), Tom & Sheehan (1994) e Gonçalves & Lorenzi (2007).…”

Section: Methodsunclassified

Sinopse das Orchidaceae holoepífitas e hemiepífitas da Floresta Nacional de Caxiuanã, PA, Brasil

Koch

Santos

Ilkiu–Borges

2014

Hoehnea

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-(Synopsis of the holoepiphyte and hemiepiphyte Orchidaceae of Floresta Nacional de Caxiuanã, Pará State, Brazil). This study reports the floristic survey of holoepiphyte and hemiepiphyte Orchidaceae in Caxiuanã National Forest, located between municipalities of Melgaço and Portel, near the Marajó area, Pará State, Brazil. Four random excursions for collecting fertile material were taken between April 2009 and November 2010. The family is represented by 33 species and 24 genera in Floresta Nacional de Caxiuanã. The most representative genera were Epidendrum, Scaphyglottis, Catasetum, Encyclia, and Polystachya; other genera were represented by only one species each.

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Section: Methodsunclassified

Sinopse das Orchidaceae holoepífitas e hemiepífitas da Floresta Nacional de Caxiuanã, PA, Brasil

Koch

Santos

Ilkiu–Borges

2014

Hoehnea

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A new Dryadella Luer (Orchidaceae: Pleurothallidinae) from the South Atlantic Rainforest

2021

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Dryadella catharinensis, a new orchid species found in the north-northeast part of the Santa Catarina state, in southern Brazil, is described here. The tiny new species was found in the dense ombrophilous submontane forest (Floresta Ombrófila Densa Submontana) in the Atlantic Rainforest. It is similar to Dryadella susanae, which is endemic of the Espírito Santo state and differs in the larger vegetative size, the narrow and suberect leaf, yellow flowers, the sepals with slightly denticulate margins, the petals with an obtuse apex and the cuneate lip with denticulated margins and a annular callus in the median portion of the claw. It is the fifteenth Dryadella species restricted to the Atlantic Rainforest (~25% of the genus), evidencing the importance of the conservation of this biome—of which only 11% remains—for the genus. Due to the rarity and low density of this species in the field, allied to the degradation of the habitat, we suggest a conservation status of Endangered. Further fieldwork is needed to locate additional populations and study the biological aspects for their conservation.

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The genus Dryadella (Orchidaceae, Pleurothallidinae) in Brazil

Imig,

Brito,

Smidt

2024

Rodriguésia

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The present work is a taxonomic revision of the Dryadella species of Brazil. Dryadella comprises 61 species, distributed in humid or seasonally humid forests, from Mexico to southern Brazil, most in the Atlantic Rainforest and the Andean forests. We provide morphological descriptions, taxonomic discussions, illustrations, an identification key, new synonyms, new occurrences and distribution maps for all taxa. Fourteen species are recognised for Brazil, of these D. zebrina recorded also for Bolivia and Peru, D. aviceps in Paraguay, D. lilliputiana in Bolivia, D. gnoma in Ecuador, Peru, Colombia, Panama, and Costa Rica and recorded for the first time in Brazil. The others are endemic to the country and, with the exception of D. gnoma, which occurs in the Amazon and D. ana-paulae, which occurs in the Cerrado, the other species are restricted to the Atlantic Rainforest. We propose the synonymisation of D. osmariniana and D. cardosoi in D. gnoma, D. espirito-santensis, D. gomes-ferreirae and D. litoralis in D. aviceps, D. vasquezii in D. ana-paulae and D. xaveriana in D. toscanoi. Nine lectotypes are designed.

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Estudos da flora orquidológica do Estado do Amazonas. II - Masdevallia osmariniana Braga (Orchidaceae), espécie nova da flora amazônica

Abstract: Resumo Com a presente espécie, proposta sob o nome de Masdevallia osmariniana, eleva-se para nove o número de taxa do gênero ocorrentes na Amazônia. Pela primeira vez descreve-se, nesta região, uma espécie pertencente ã seção Rhombipetala.

Cited by 4 publications

References 0 publications

Sinopse das Orchidaceae holoepífitas e hemiepífitas da Floresta Nacional de Caxiuanã, PA, Brasil

Sinopse das Orchidaceae holoepífitas e hemiepífitas da Floresta Nacional de Caxiuanã, PA, Brasil

A new Dryadella Luer (Orchidaceae: Pleurothallidinae) from the South Atlantic Rainforest

The genus Dryadella (Orchidaceae, Pleurothallidinae) in Brazil

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