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546,196 artículos
Año:
2016
ISSN:
2215-2067, 1409-3871
Sayers, Brendan; Du Plooy, Heather
Universidad de Costa Rica
Resumen
T h e N a t i o n a l B o t a n i c G a r d e n s , G l a s n e v i n , D u b l i n , I r e l a n d h a v e t r a v e l l e d t o B e l i z e , C e n t r a l America on five expeditions for the main purpose of collecting living specimens of Orchidaceae. Four of the expeditions were in conjunction with Belize Botanic Gardens. As a result of these expeditions 17 new records for Orchidaceae are being added to the published flora.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Blanco, Mario A.
Universidad de Costa Rica
Resumen
Lepanthes gerardensis from north-central Costa Rica is described and illustrated. It is most simi- lar to the Mexican L. ancylopetala Dressler, from which it differs in shorter habit, petiolate leaves with broadly elliptic blades, and different lip shape. It appears to be a specialized twig-epiphyte.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Llamacho Olmo, Juan A.
Universidad de Costa Rica
Resumen
Two species of Orchidaceae are first recorded from Cuba: Dendrophylax barrettiae and Triphora surinamensis.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Gerlach, Günter; Dressler, Robert L.
Universidad de Costa Rica
Resumen
T w o n e w s p e c i e s o f t h e s u b t r i b e S t a n h o p e i n a e t r i b e a r e d e s c r i b e d , i l l u s t r a t e d a n d d i s c u s s e d : Coryanthes kaiseriana, from Costa Rica and Panama, and Paphinia vermiculifera from Panama.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Dressler, Robert L.
Universidad de Costa Rica
Resumen
Names of four species of Malaxis, described as new without a Latin diagnosis in Selbyana 24(2), 2003, are validated here.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Carnevali, Germán; Tapia, José Luis; Williams, Norris H.; Whitten, W. Mark
Universidad de Costa Rica
Resumen
El género Myrmecophila Rolfe ha sido tradicional- mente incluido dentro de un concepto amplio de Schomburgkia Lindl. Sin embargo, recientes recons- trucciones filogenéticas basadas en secuencias de ADN indican que el grupo es basal dentro del com- plejo de taxa alrededor de Cattleya Lindl. s.l. y sólo lejanamente relacionado con las verdaderas Schomburgkia (las que están relacionadas con Laelia Lindl., un género restringido a elevaciones por enci- ma de 1000 m en México central).
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Año:
2016
ISSN:
2215-2067, 1409-3871
Pupulin, Franco; Romero-González, Gustavo A.
Universidad de Costa Rica
Resumen
Botanical collections in developed countries are not always restricted to their native plants. Many herbaria in those countries also host large collections from tropical and subtropical floras as the result of floristic projects carried out by leading European and North American botanical institutions in the past three cen- turies
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Año:
2016
ISSN:
2215-2067, 1409-3871
Roberts, David L.; McInerny, Greg J.
Universidad de Costa Rica
Resumen
We are now entering a time of immense environ- mental upheaval were, increasingly, experts are required to provide conservation assessments.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Dalström, Stig
Universidad de Costa Rica
Resumen
When initiating a project in plant taxonomy it is necessary to carefully examine the type specimen for each taxon that has been described. Just as important, however, is to explore the natural habitats of the plants because that is where the dynamics occur, which is the logical source for the necessary data.
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Año:
2016
ISSN:
2215-2067, 1409-3871
Dressler, Robert L.; Higgins, Wesley E.
Universidad de Costa Rica
Resumen
Molecular systematics, the comparison of DNA sequences, has brought a continuing revolution to plant taxonomy. In most cases, the results are intu- itively reasonable, even when they demand changing long-known names.
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