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

Authors

  • Mark Wilson Colorado College
  • Kehan Zhao Colorado College
  • Hailey Hampson Colorado College
  • Graham Frank Colorado College
  • Katya Romoleroux Pontificia Universidad Católica del Ecuador
  • Marco Jiménez Instituto Nacional de Biodiversidad
  • Francisco Tobar Instituto Nacional de Biodiversidad
  • Bruno Larsen
  • Álvaro J. Pérez Pontificia Universidad Católica del Ecuador

DOI:

https://doi.org/10.15517/lank.v18i3.35495

Keywords:

cloud forest, Ecuador, labellar morphology, Pleurothallis, pollination

Abstract

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 distribution, restricted to Zamora Chinchipe, southern Ecuador, and the conservation status are addressed.

Key words / Palabras clave: cloud forest, Ecuador, labellar morphology, Pleurothallis, pollination

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Published

2018-12-06

How to Cite

Wilson, M., Zhao, K., Hampson, H., Frank, G., Romoleroux, K., Jiménez, M., Tobar, F., Larsen, B., & Pérez, Álvaro J. (2018). A new species of &lt;i&gt;Pleurothallis&lt;/i&gt; (Orchidaceae: Pleurothallidinae) in subsection &lt;i&gt;Macrophyllae-Fasciculatae&lt;/i&gt; with a unique, highly reduced, morphologically distinct labellum. Lankesteriana: International Journal on Orchidology, 18(3), 217–230. https://doi.org/10.15517/lank.v18i3.35495

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