Pleurothallis siphoglossa Luer & R. Escobar 1996 SUBGENUS Pleurothallis SECTION Macrophyllae-Fasciculatae Lindl 1859

Side View of Flower Photos by Jay Pfahl

Another Color form Photo by Eric Hunt and his Orchid Species Photo Website

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Common Name The Tube-Shaped Lip Pleurothallis

Flower Size .6" [1.5 cm]

Found in Venezuela, Colombia and Ecuador at elevations around 2400 meters as a cold growing epiphyte with slender to stout, erect ramicauls enveloped by 1 to 2 close, tubular sheaths and another on the lower third and carrying a single, apical, suberect to spreading, coriaceous, ovate to narrowly ovate, acute, slightly acuminate, basally sessile and deeply cordate leaf that blooms in the spring in Colombia and summer in the US on a fascile of successively single, few flowered inflorescence arising through and concealed by a spathe and holding the flower close against the leaf base and has a tubular floral bract.

Distinguished by the lip with acutely revolute sides above the middle with the margins in apposition below to form a tube which often curves up at the apex.

P siphoglossa is similar to P addonis, P deflexa, P grandiflora, P linguifera, P millei and P sarcochila in the large sized flowers.

Synonyms Acronia siphoglossa (Luer & R. Escobar) Luer 2005; Zosterophyllanthos siphoglossa (Luer & R.Escobar) Szlach. & Kulak 2006

References W3 Tropicos, Kew Monocot list , IPNI ; Venezuelan Orchids Vol 4 Dunsterville & Garay 1966 as P grandiflora drawing good; Orchids of Venezuela An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 as P siphoglossa drawing good; Native Colombian Orchids Vol 3 COS 1991 as P decurva photo fide; Native Colombian Orchids Vol 6 COS 1998 errata = P siphoglossa; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide; Icones Pleurothallidinarum XXVII Systematics of Dryadella and Acronia Section Macrophyllae-Fasciculatae Luer 2005 drawing fide as Acronia siphoglossa

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