A new species of <i>Pleurothallis</i> (Orchidaceae: Pleurothallidinae) in subsection <i>Macrophyllae-Fasciculatae</i> with a unique, highly reduced, morphologically distinct labellum
DOI:
https://doi.org/10.15517/lank.v18i3.35495Palabras clave:
cloud forest, Ecuador, labellar morphology, Pleurothallis, pollinationResumen
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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