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Additions to the Costa Rican Myoxanthus (Orchidaceae: Pleurothallidinae)
Pleurothallis cerea, a species described based on a specimen collected by Lankester in Costa Rica, and commonly placed under the synonymy of Myoxanthus octomeriae or M. congestus, is here recognized as distinct. The species ...
Masdevallia luerorum (Orchidaceae: Pleurothallidinae), a new species from Costa Rica
Masdevallia luerorum from the southern Pacific region of Costa Rica is described and illustrated. It resembles M. lata, but differs in the single flowered inflorescence, the shorter sepals, the broad and cylindrical sepaline ...
A new species of Lepanthes (Orchidaceae: Pleurothallidinae) from Colombia with a large and protruding column
A new species of Lepanthes from the Western Cordillera of the Colombian Andes, characterized by similar triangular sepals with a large and protruding column, is described and illustrated. The new species is similar to ...
Preliminary molecular phylogenetics of Sobralia and relatives (Orchidaceae: Sobralieae)
With over 200 species, the orchid tribe Sobralieae is a major constituent of the Neotropical flora. As currently circumscribed, the tribe includes four genera: Elleanthus, Epilyna, Sertifera, and Sobralia. Most species ...
Myoxanthus vittatus (Orchidaceae), a new species from Costa Rica
The taxonomic position of Myoxanthus Poepp. & Endl. (Orchidaceae: Pleurothallidinae) is discussed and Silenia Luer is maintained as a subgenus of Myoxanthus. A new species of Myoxanthus is described and illustrated. ...
Two new species of Echinosepala (Orchidaceae: Pleurothallidinae)
We describe and illustrate two new species of Echinosepala from Costa Rica, they are placed within a phylogenetic framework of the genus, and compared to their closest relatives. A short resume of the genus’ history is ...