Cyrtochilum diceratum (Lindl.) Kraenzl. 1917 SECTION Eucyrtochilum Kranzlin

Inflorescence of plant on Purace Volocano 3200 meters, June 2007 Photos by Jay Pfahl

EARLY

Common Name The Double Covered Cyrtochilum

Flower Size 1.9" [4.7 cm]

Found in southern Colombia, northern Ecuador and Peru? in open, wet cloud forests in scrub at elevations of 2800 to 3200 meters as a large sized, cold growing terrestrial or epiphyte with a small pseudobulb enveloped completely by imbricating leaf-bearing sheaths and carrying a single, apical, erect, narrowly elliptic, acute, gradually narrowing below into the narrow, conduplicate, petiolate base leaf that blooms in the spring on an axillary, 13.5" [34 cm] long, loosely several flowered inflorescence with 5" [12.5 cm] long, 2 flowered branches towards the bottom and is racemose towards the top and having prominent, ovate, concave, floral bracts.

Synonyms Cyrtochilum englerianum (Kraenzl.) Kraenzl. 1917; Cyrtochilum fallens (Rchb.f.) Kraenzl. 1917; *Oncidium diceratum Lindley 1855; Oncidium englerianum Kraenzl. 1916; Oncidium fallens Rchb.f. 1886

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 drawing fide; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 as C fallens not drawing fide; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 as C englerianum; Orchids of Peru Vol 4 Schweinfurth 1961 as Oncidium diceratum; Icones Planetarum Tropicarum plate 970 Dodson 1984 as Oncidium fallens drawing good; Native Colombian Orchid Vol 1 COS 1990 photo fide; Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; Native Ecuadorian Orchids Vol IV Dodson 2003 as Oncidium diceratum drawing/photo fide; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide

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