A New Species of Pleurothallis (Orchidaceae Pleurothallidinae) from Valle del Cauca, Colombia and A Note on the Relationship between Subsections Macrophyllae-Racemosae and Antenniferae

• Autores: Mark Wilson, Katharine Dupree, Diana Garcia Lopera, David Haelterman, Andreas Kay, Carlos Mesa Londoño, Andrea Niessen, William Pinnix, José V. Portilla, Jonathan D. Werner
• Localización: Lankesteriana, ISSN-e 1409-3871, Vol. 17, Nº. 2, 2017, págs. 119-131
• Idioma: inglés
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• Resumen

  • A new species of Pleurothallis from subsection Macrophyllae-Racemosae is described from Valle del Cauca, Colombia. Morphological characteristics to distinguish this species from Pleurothallis bicornis, P. subreniformis and P. torrana are presented. The micromorphology of the lip of the new species was studied utilizing scanning electron microscopy. Labellar micromorphology is discussed in relation to putative pollination mechanisms.