SUBGENUS Acuminatia SECTION Alatae Luer 1986

Characterized by the ramicaul longer or as long as the petiolate to subpetiolate base leaf that is never sessile. The racemose inflorescence arises laterally either singly and successively or several simultaneously in a fascile arsiing from an annulus shortly below the abscission layer. The flowers arise mostly simultaneously in short to elongate racemose inflorescence and have the three glabrous sepals free, similar and pubescent within, the glabrous, narrowly acute to long-acuminate apically petals are small and entire as well as the simple oblong lip has a shallow, midline channel. The lip is also variously callous or lobed. The column is broad with more or less rectangular wings above the middle and carries a ventral anther and stigma with a pair of pollina that are attached to a single, small viscidium. The column foot is well developed and extends beyond the end of the ovary and is slender or narrowly longitudinally winged. The lip is delicately hinged to the lip.

  1. Pleurothallis angustilabia Schltr. 1921 Venezuela, Colombia, Ecuador, Peru and Bolivia

    Pleurothallis carnosifolia C.Schweinf. 1951 Peru

  2. Pleurothallis gracilenta Luer & R.Vásquez 1981 Bolivia

  3. Pleurothallis obovata (Lindl.) Lindl. 1842 Brazil

  4. Pleurothallis papuligera Schltr. 1912 Bolivia

  5. Pleurothallis stenophylla F.Lehm. & Kraenzl. 1899 Colombia and Bolivia

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