Pleurothallis crassilabia Ames & C.Schweinf. 1925 SUBGENUS Acianthera [Scheidw.] Luer 1986
Photo by © Karremans
Drawing by Carl Luer
Common Name The Thick Lipped Pleurothallis [refers to the fascile of inflorescence]
Flower Size .4" [1 cm]
Found in Cartago province of Costa Rica at elevations around 1500 meters on moss covered treees as a small sized, warm to cool growing, shortly repent epiphyte with erect, compressed, triquetrous ramicauls enveloped by 2 to 3, thin, tubular sheaths and carrying a single, apical, erect to suberect, rigidly coriaceous, ovate, subacute, cordate and rounded intothe sessile base leaf that blooms in the spring on congested, arising through a spathe at the base of the leaf, distichous, [2.5 to 3 cm] long, simultaneously few to several flowered inflorescence with as long as the ovary floral bracts.
"Characterized by a compressed ramicaul, an ovate, sessile leaf and a short raceme of chrome yellow flowers. The sepals are fleshy, the petals are lacerate and the thick lip is elliptical without marginal lobes and without the pair of calli on the disc as seen in its relatives." Luer 2004
Synonyms Acianthera crassilabia (Ames & C.Schweinf.) Luer 2004
References W3 Tropicos, Kew Monocot list , IPNI ;
*Schedul. Orch. 8: 25. Ames & C. Schweinf. 1925 Drawing fide;
Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;
Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 as Acianthera crassilabia;
Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Dracontia carnosilabia;
Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera crassilabia photo fide
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