Pleurothallis giraldoi Luer 1999 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859 Photo by Alejandro Calderon Gonzalez

TYPE Drawing Drawing by Carl Luer and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Common Name Giraldo's Pleurothallis [Colombian co-discoverer of species current]

Flower Size .4" [1 cm]

Found in Valle de Cauca in southwestern Colombia at elevations around 1900 meters as a small to medium sized, warm to cool growing epiphyte with slender, erect, ramicauls enveloped by a loose tubular sheath in the lower third and 2 more at the base and carrying a single, apical, spreading, coriaceous, broadly cordate-ovate, obtuse, shortly acuminate, deeply cordate into the sessile base leaf that blooms in the spring on a successively single to few flowered inflorescence arising through a suberect, conduplicate spathe at the base of the leaf and has tubular floral bracts.

Differs in its large broadly ovate, deeply cordate base leaf and carrying a large suberect spathe giving rise to a purple flower with broad rounded sepals, oblong and denticulate petals and a lip that is prominently convex at the apex with the sides of the basal thirds revolute.

CAUTION The determination above is close but differs in the fascile of a few simultaneous flowers as well as the abscence of an apical globular thickening on the lip, so please use with caution!

Synonyms Acronia giraldoi (Luer) Luer 2005; Zosterophyllanthos giraldoi (Luer) Szlach. & Kulak, Richardiana 6: 134 (2006

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Pleurothallidinarum Vol XXVII Luer 2005 as Acronia giraldoi drawing fide; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo not - does not have thickened pad at lip apex;

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