Cyrtochilum gargantua (Rchb. f.) Kraenzl. 1917 SECTION Eucyrtochilum Kranzlin Photo by Pieter C. Brouwer and his Nature Photo Website

Another Flower Photo by Guido Deburghgraeve

Common Name The Dreadful Cyrtochilum

Flower Size 2.6" [6.5 cm]

Found in Ecuador and southern Peru at elevations around 2900 meters as a large sized, cold growing epiphyte or terrestrial with pear-shaped, laterally compressed, ancipitous, longitudinally grooved pseudobulbs partially enveloped by several pairs of distichous, imbricating, leafless below, leaf-bearing above sheaths and carrying 2, apical, slender, acute, erect to arching, strap-shaped, conduplicate below into the short narrow petiole-like base that blooms in the fall on a axillary, to 96" [to 250 cm], stout, climbing, loosely paniculate, many flowered inflorescence with many fractiflex, 8.4" [21 cm] long, loosely 7 flowered branches spaced 6" [15 cm] apart.

Synonyms Cyrtochilum bismarckii ( D.E.Benn. & Christenson ) Senghas 2001; Oncidium bismarckii D.E.Benn. & Christenson 1998; Oncidium gargantua Rchb. f. 1876

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 drawing fide; Orchids of Peru Vol 4 Schweinfurth 1961 as Oncidium gargantua; AOS Bulletin Vol 67 No 1 1998 photo; Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Orchid Species of Peru Zelenko Bermudez 2009 photo fide

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