Cyrtochilum grandiflorum (Rchb.f.) Kraenzl. 1917 SECTION Eucyrtochilum Kranzlin Photo by Guido Deburghgraeve and his Flickr Orchid Photo Website

Part Shade Cold Fall

Common Name The Large Flowered Cyrtochilum

Flower Size 1.5" [3.8 cm]

Found in northwestern Venezuela and Colombia at elevations of 2400 to 2500 meters as a medium sized, cold growing epiphyte with pseudobulbs enveloped basally by several leaf bearing sheaths and carrying a single ? lanceolate, acute, conduplicate below into the subpetiolate base leaf that blooms in the fall on an axillary, twining,short, well spaced, few flowered branches, to 40" [100 cm] long overall, paniculate, brances short, few flowered, 8" [20 cm] between each, many flowered inflorescence.

CAUTION I have no way of personally verifying this determination so please use with caution.

Synonyms *Oncidium grandiflorum Rchb.f. 1881; Oncidium steyermarkii Foldats 1968

References W3 Tropicos, Kew Monocot list , IPNI ; *Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1917 drawing ok; Orchid Species Culture Oncidium/Odontoglossum alliance 2006; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010

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