SUBGENUS Pleurothallis SECTION Pleurothallis SUBSECTION Longiracemosae [Luer] Luer 1998 Characterized by the caespitose habit with well developed but slender, non-compressed ramicauls that are as long as the leaf and carries a terminal, racemose inflorescence arising from the base of the leaf. The very small to small flowers are usually resupinate and have a free dorsal sepal and connate lateral sepals that form a concave synsepal. The petals are more or less thickened, entire and oblong and the lip is entire, ovate and concave with the side lobe-like and rounded but the undersurface is flat to convex with out a reflexion which separates this subsection from Annteniferae. There is no glenion and the base of the lip is transversely thickened, more or less concave at the end without being deflexed and is attached to the abbreviated to absent column foot. The column is semiterete, wingless and toothless with an apical, unhooded anther and an apical or subapical stigma and an abbreviated vestigal or totally absent column foot.

TYPE Species for the SUBSECTION

Pleurothallis litotes Luer 1979

  1. Pleurothallis amentacea Luer & Toscano 2018 Bolivia

  2. Pleurothallis divaricans Schltr. 1912 Panama, Colombia, Ecuador, Peru and Bolivia

  3. Pleurothallis leopardina Luer 1981 Colombia and Ecuador

  4. !Pleurothallis litotes Luer 1979 TYPE Colombia and Ecuador

  5. Pleurothallis poculifera Luer & R.Escobar 1981 Colombia

  6. Pleurothallis pruinosa Lindl. 1842 Honduras, Nicaragua, Costa Rica, Panama, Cuba, Dominican Republic, Jamaica, Leewards, Puerto Rico, Trinidad, Windwards, Venezuela, Fr Guiana, Guyana, Surinam, Colombia, Ecuador, Peru and Brazil

  7. Pleurothallis tanyrhina Luer & R.Escobar 1981 Colombia

  8. Pleurothallis uninervia Luer & Dodson 1999 Ecuador

  9. Pleurothallis xanthochlora Rchb.f. 1850 Venezuela, Colombia, Ecuador, Peru and Bolivia