Results 51 to 60 of about 533 (159)

A Comparison and Combination of Plastid atpB and rbcL Gene Sequences for Inferring Phylogenetic Relationships within Orchidaceae [PDF]

open access: yes, 2006
Parsimony analyses of DNA sequences from the plastid genes atpB and rbcL were completed for 173 species of Orchidaceae (representing 150 different genera) and nine genera from outgroup families in Asparagales.
Cameron, Kenneth M.
core   +2 more sources

O gênero Coryanthes (Orchidaceae-Stanhopeinae) no estado do Mato Grosso, Brasil

open access: yesRodriguésia
Resumo Devido à existência de lacunas sobre o conhecimento do gênero Coryanthes no Mato Grosso, é apresentado o estudo taxonômico das espécies encontradas no estado, além de comentários taxonômicos, ecológicos e históricos.
Mathias Erich Engels   +2 more
doaj   +1 more source

Primeiro registro de Chaubardia surinamensis (Orchidaceae: Zygopetalinae) para o Mato Grosso, Brasil [PDF]

open access: yes, 2022
É apresentado o primeiro registro de Chaubardia surinamensis para o estado de Mato Grosso, contribuindo para o preenchimento de uma lacuna na distribuição geográfica da espécie no Brasil.
Engels, Mathias Erich   +2 more
core   +2 more sources

Comparative anatomy of elaiophores and oil secretion in the genus Gomesa (Orchidaceae) [PDF]

open access: yes, 2013
Oils are atypical floral rewards in Orchidaceae, and are produced by epidermal glands called elaiophores. Flowers of many members of the sub-tribe Oncidiinae either produce oil or mimic oil-producing flowers of Malpighiaceae.
Aliscioni, Sandra Silvina   +2 more
core  

On the status of the genus Hybochilus, with a new combination in Leochilus (Orchidaceae: Oncidiinae) [PDF]

open access: yes, 2021
The name Rodriguezia inconspicua, proposed as a replacement name for Trichocentrum candidum, is a homotypic synonym of the latter, as well as the new combinations based on the same name.
Pupulin, Franco
core   +1 more source

Orchids in the Open: Understanding Biodiversity Beyond Madagascar's Forests

open access: yesDiversity and Distributions, Volume 32, Issue 3, March 2026.
ABSTRACT Aim Orchids make up 8% of Madagascar's vascular plant species richness and are typically associated with the island's forests. Yet most of the island is covered by open ecosystems, long dismissed as degraded. This perception has contributed to their neglect, limiting our understanding of species ecology and hindering conservation action in ...
Jakub D. Wieczorkowski   +8 more
wiley   +1 more source

More than symbioses : orchid ecology ; with examples from the Sydney Region [PDF]

open access: yes, 2013
The Orchidaceae are one of the largest and most diverse families of flowering plants. Orchids grow as terrestrial, lithophytic, epiphytic or climbing herbs but most orchids native to the Sydney Region can be placed in one of two categories.
Entwisle, Timothy J.   +2 more
core  

Systematic and comparative anatomy of Maxillarieae (Orchidaceae), sans Oncidiinae [PDF]

open access: yes, 2004
On the basis of floral and vegetative morphology, 63 tropical American genera have been recognized within Maxillarieae. We were able to examine anatomical material of all subtribes, excluding Oncidiinae.
Carlsward, Barbara S.   +2 more
core   +4 more sources

Novo registro de Paphinia (Orchidaceae: Stanhopeinae) para a Região Centro-Oeste brasileira, estado de Mato Grosso

open access: yesRodriguésia
Resumo É apresentado o novo registro de distribuição geográfica do gênero Paphinia para a Região Centro-Oeste brasileira, no estado de Mato Grosso. Este novo registro amplia a distribuição atual de P.
Mathias Erich Engels   +2 more
doaj   +1 more source

A subtribo Oncidiinae Benth. (Orchidaceae Juss.) no Distrito Federal, Brasil [PDF]

open access: yes, 2015
Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Biológicas, Departamento de Botânica, 2015.As orquídeas pertencem a uma das maiores e mais diversificadas famílias de plantas com flores do mundo.
Queiroz, Viviane Vaz de
core   +1 more source

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