Common Name: The Pale Sided Pleurothallis
Light Requirements: deep shade
Temperature Requirements: intermediate to cool
Bloom: winter, spring, summer and autumn
Flower Size: 1.5cm
Synonyms: Acronia palliolata (Ames) Luer 2005; Zosterophyllanthos palliolatus (Ames) Szlach. & Kulak 2006
Found in Costa Rica and Panama as a small sized, warm to cool growing epiphyte at elevations of 1200 to 2100 meters with slender, suberect to horizontal ramicauls enveloped basally by 2 close, tubular sheaths and another on the lower half and carrying a single, apical suberect to horizontal, coriaceous, avate, acute, basally sessile and deeply cordate leaf that can bloom at any time of the year on a fascile of successive single (sometimes two) flowered inflorescence arising through a narrow spathe.
Easily distinguished by the large, not widely expanded flower with a deeply concave dorsal sepal and a synsepal concave below the middle to accomodate the comparitively large transversely ovate, concave lip with 2 pairs of calli which is surrounded by the falcate, fringed petals.