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A new species of Pleurothallis (Orchidaceae: Pleurothallidinae) in subsection Macrophyllae-Fasciculatae with a unique, highly reduced, morphologically distinct labellum

Mark Wilson, Kehan Zhao, Hailey Hampson, Graham Frank, Katya Romoleroux, Marco Jiménez, Francisco Tobar, Bruno Larsen, Álvaro J. Pérez
2018 Lankesteriana  

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Pleurothallis minutilabia, a species unique in subsection Macrophyllae-Fasciculatae because of the minute, highly reduced lip, is described and compared to the most similar species in the subsection. It is also compared morphologically to Pleurothallis kaynagata from section Abortivae, to which P. minutilabia is not related, but which also possesses a highly reduced lip. The morphology of the flower of P. minutilabia is discussed briefly in relation to possible pollination mechanisms. The
more » ... bution, restricted to Zamora Chinchipe, southern Ecuador, and the conservation status are addressed. Key words / Palabras clave: cloud forest, Ecuador, labellar morphology, Pleurothallis, pollination
doi:10.15517/lank.v18i3.35495 fatcat:wdblg6jta5esphmyjaa2emppfq
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Mark Wilson, Kehan Zhao, Hailey Hampson, Graham Frank, Katya Romoleroux, Marco Jiménez, Francisco Tobar, Bruno Larsen, Álvaro J. Pérez. "A new species of Pleurothallis (Orchidaceae: Pleurothallidinae) in subsection Macrophyllae-Fasciculatae with a unique, highly reduced, morphologically distinct labellum." Lankesteriana (2018)