Pleurothallis tetragona Luer & Escobar 1981 SUBGENUS Ancipitia SECTION Tetragona Luer 1986
Photos by © Jay Pfahl
Photo by © Jorge Mario Munera
TYPE Drawing by Carl Luer
to
LATE
THROUGH EARLY 
Common Name The Four Sided Pleurothallis [refers to the ramicaul]
Flower Size 3/8" [1 cm]
Found in Colombia without locational data in wet montane forests from elevations around 1200 to 2600 meters and is a small sized, cold to warm growing caespitose epiphyte with slender, erect, sharply 4 angled above the base ramicauls enveloped basally by 2 to 3 tubular, inflated sheaths and one above the middle carrying a single, apical, rigid, coriaceous, erect, elliptical, acute leaf with the base broadly cuneate to rounded and seccurrent on the ramicaul that blooms in the fall on ascending to erect, arsing through a reclining spathe at the base of the leaf, peduncle filiform, 1 to 1.2" [2.5 to 3 cm] long, successively single, few flowered inflorescnece with shorter than the pedicel floral bracts.
"This small sectioned orchid blooms in the summer on a fascile of solitary successive flowers bourne from a reclining spathe. It isunique in the subgenus by doubling of the the margins of the laterally compressed ramicaul so that 4, sharp edges are created." Luer 1989
Synonyms Ancipitia tetragona (Luer & R. Escobar) Luer 2004
References W3 Tropicos, Kew Monocot list , IPNI ;
*Orquideologia Vol 14 #2 Luer & Escobar 1981 drawing fide;
Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;
Icones Pleurothallidinarum Vol VI Systematics of Pleurothallis subgen Ancipita, Scopula and Trisetella Luer 1989 drawing fide;
Native Colombian Orchids Vol 3 COS 1991 photo fide;
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 Ancipitia tetragona;
Orquideas del Valle de Aburra Medellin Colombia Orqidelogia 2014 photo not;
--------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------------------------
