Restrepia aristulifera Garay & Dunst. in Garay & Dunst. 1972 Restrepia subgen. Restrepia sect. Pleurothallopsis Schltr. 1918 Photo courtesy of Bill Bergstrom and
Yellow Flower Version Photo courtesy of © Lourens Grobler

to 
Common Name or Meaning The Small Awn Restrepia [refers to the awns at the base of each petal]
Flower Size .8" [2 cm]
Found in Venezuela and Colombia at elevations of 1800 to 2800 meters as a medium sized, cool to cold growing epiphyte with an erect, elongate, stout ramicaul enveloped basally by 6 to 12, thin, whitish, compressed, somewhat imbricate, disitchous sheaths and carrying a single, apical, erect, often suffused with purple beneath, elliptical, acute, the base cuneate or rounded and constricted into the petiolate base leaf that blooms in the spring and fall on a slender, 1.2" to 2" [3 to 5 cm] long, successively single flowered inflorescence with the flower produced in a fascile held along the back of the leaf and has a thin, tubular floral bract. .
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; *Venezuelan Orchids Vol 5 Dunsterville & Garay 1966; Native Colombian Orchids Vol 4 COS 1992; Icones Pleurothallidinarum Vol XIII Systematics of Restrepia Luer 1996