A NEW SPECIES OF SCAPHOSEPALUM PFITZER (PLEUROTHALLIDINAE: ORCHIDACEAE) IN THE HUMID MONTANE FOREST FROM PERU
DOI:
https://doi.org/10.22497/203Abstract
Abstract
A new species of Scaphosepalum was found in the mountains of Yanachaga-Chemillen National Park, in a humid montane forest at 2300 m in the central jungle of Peru. This species is similar to Scaphosepalum antenniferum but can be differentiated because the lateral sepals exhibit rhomboidal cushions and the lip is spathuliform. In contrast, the lateral sepals of S. antenniferum show broad lunar cushions and the medium sepal with apiculate apex; on the other hand, the lip is subpanduriform and with denticulate apex.
Keywords: Orchidaceae, Pleurothallidinae, Scaphosepalum, new species, central jungle, Oxapampa, Yanachaga-Chemillen National Park, Peru.
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Resumen
Se encontró una nueva especie de Scaphosepalum en las montañas del Parque Nacional Yanachaga-Chemillén, en un bosque húmedo montano a 2300 m de altitud en la Selva Central del Perú. Esta especie es similar a Scaphosepalum antenniferum pero se diferencia porque sus sépalos laterales presentan cojines romboidales y el labelo es espatuliforme. En contraste, los sépalos laterales de S. antenniferum muestran cojines lunares anchos y el sépalo medio con ápice apiculado; por otro lado, el labelo es subpanduriforme y con ápice denticulado.
Palabras clave: Orchidaceae, Pleurothallidinae, Scaphosepalum, nueva especie, Selva Central, Oxapampa, Parque Nacional Yanachaga-Chemillén, Perú.
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