TY - JOUR AU - Wilson, Mark AU - Baquero, Luis AU - Dupree, Katharine AU - Jiménez, Marco M. AU - LeBlanc, Cheryl M. AU - Merino, Gilberto AU - Portilla, Jose AU - Salas Guerrero, Marcos AU - Tobar Suárez, Francisco AU - Werner, Jon D. PY - 2016/12/08 Y2 - 2024/03/28 TI - Three new species of <i>Pleurothallis</i> (Orchidaceae: Pleurothallidinae) in subsection <i>Macrophyllae-Fasciculatae</i> from northern South America JF - Lankesteriana: International Journal on Orchidology JA - LIJO VL - 16 IS - 3 SE - Articles DO - 10.15517/lank.v16i3.27314 UR - https://www.revistas.ucr.ac.cr/index.php/lankesteriana/article/view/27314 SP - AB - <p>The history of the taxonomy of&nbsp;<em>Pleurothallis</em>&nbsp;R.Br. subsection&nbsp;<em>Macrophyllae-Fasciculatae</em>&nbsp;and&nbsp;recent descriptions in that group are summarized. The phylogenetic position of the group based on preliminary&nbsp;molecular data and the appropriateness of the proposed genera&nbsp;<em>Acronia</em>&nbsp;C.Presl. and&nbsp;<em>Zosterophyllanthos</em>&nbsp;Szlach. &amp; Marg. for this group are discussed. Three new species from northern South America are described:<em>&nbsp;Pleurothallis rubrifolia&nbsp;</em>from southeastern Ecuador and northeastern Peru;&nbsp;<em>Pleurothallis nangaritzae&nbsp;</em>from southeastern Ecuador; and&nbsp;<em>Pleurothallis castanea</em>. Labellar micromorphology examined by scanning electron&nbsp;microscopy for&nbsp;<em>P. rubrifolia</em>&nbsp;and&nbsp;<em>P. nangaritzae</em>&nbsp;is discussed in relation to taxonomy and possible pollinator&nbsp;interactions.</p> ER -