Results 11 to 20 of about 876 (159)

The epiphytic orchids Ionopsis utricularioides and Psygmorchis pusilla associate with different Ceratobasidium lineages at Valle del Cauca, Colombia

open access: yesActa Botânica Brasílica, 2015
In Orchidaceae, association with symbiotic fungi is required for seed germination and seedling development, thereby being the main energy source during the first steps of germination.
Rafael Borges da Silva Valadares   +3 more
doaj   +2 more sources

BIOLOGÍA REPRODUCTIVA DE GOMESA BIFOLIA (ORCHIDACEAE, CYMBIDIEAE, ONCIDIINAE)

open access: yesDarwiniana, 2011
Gomesa bifolia (Orchidaceae, Cymbidieae, Oncidiinae) es una orquídea epífita que presenta vistosas flores amarillas con marcas marrones en los sépalos y pétalos, carentes de fragancia y con aceite como recompensa.
Juan P. Torretta   +3 more
doaj   +2 more sources

UNA REVISIÓN DEL COMPLEJO LOPHIARIS CAVENDISHIANA (ORCHIDACEAE: ONCIDIINAE)

open access: yesCaldasia, 2012
El complejo Lophiaris cavendishiana está conformado por L. bicallosa, L. cavendishiana, L. chrysops y L. pachyphylla. Estas especies se caracterizan principalmente por las flores grandes (30,0-45,0 mm diámetro) y amarillas y por su distribución ...
Balam Ricardo, Cetzal William
doaj   +3 more sources

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

open access: yesBotanical Journal of the Linnean Society, 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   +6 more sources

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

open access: yesHoehnea, 2015
Oncidiinae é a segunda maior subtribo de orquídeas das Américas. Segundo a Lista de Espécies da Flora do Brasil, a representatividade da subtribo no Distrito Federal é de 15 gêneros e 19 espécies.
Viviane Vaz de Queiroz   +2 more
doaj   +3 more sources

Rodriguezia vasquezii (Orchidaceae: Oncidiinae), una adición a la flora peruana

open access: yesRevista Mexicana de Biodiversidad
Se registra por primera vez la presencia en el Perú de Rodriguezia vasquezii, especie conocida previamente solo de Bolivia, a partir de material recolectado recientemente en 2 áreas naturales protegidas (Área de Conservación Privada La Pampa del Burro ...
Gerardo A. Salazar   +9 more
doaj   +2 more sources

Diversidad de inclusiones minerales en la subtribu Oncidiinae (Orchidaceae)

open access: yesRevista de Biología Tropical, 2010
Las inclusiones minerales en las plantas, han sido utilizadas como herramientas de diagnóstico en la identificación taxonómica. Se analizaron y compararon las inclusiones minerales en las hojas de 140 especies de Oncidiinae (Epidendroideae: Orchidaceae).
Estela Sandoval-Zapotitla   +2 more
doaj   +8 more sources

From flower to fruit: The origin of the trilocular ovary and fruit development in Phragmipedium longifolium (Warsz. & Rchb.f.) Rolfe (Orchidaceae: Cypripedioideae). [PDF]

open access: yesPlant Biol (Stuttg)
Phragmipedium longifolium has a trilocular ovary with a post‐genital septum, and during fruit development, lignification plays a crucial role in facilitating dehiscence and seed dispersal. Abstract While carpels in Orchidaceae are predominantly unilocular, trilocular carpels can also occur, mainly in branches separated during the early diversification ...
Bento JPSP, Pinheiro F, Mayer JLS.
europepmc   +2 more sources

Recent origin and rapid speciation of Neotropical orchids in the world's richest plant biodiversity hotspot. [PDF]

open access: yesNew Phytol, 2017
Summary The Andean mountains of South America are the most species‐rich biodiversity hotspot worldwide with c. 15% of the world's plant species, in only 1% of the world's land surface. Orchids are a key element of the Andean flora, and one of the most prominent components of the Neotropical epiphyte diversity, yet very little is known about their ...
Pérez-Escobar OA   +7 more
europepmc   +2 more sources

O gênero Phymatidium (Orchidaceae: Oncidiinae) no estado do Paraná [PDF]

open access: yesRodriguésia, 2014
A partir de consultas a herbários nacionais e estrangeiros, cinco espécies e duas variedades de Phymatidium Lindl. foram encontradas no Paraná: Phymatidium aquinoi, P. delicatulum, P. delicatulum var. curvisepalum, P. falcifolium, P.
Carla Adriane Royer   +2 more
doaj   +5 more sources

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