Cyrtochilum detortum (Rchb.f.) Kraenzl. 1917 SECTION Eucyrtochilum Kranzlin Photo by Guido Deburghgraeve ©

Part ShadeWarm to Cool

Common Name The Twisted Cyrtochilum

Flower Size 2" [5 cm]

Found in Venezuela, Ecuador and Peru in dense waist-high vegetation in fairly thin soil atop boulders at elevations around 1800 meters as a large sized, warm to cool growing terrestrial or lithophyte with ovoid, somewhat compressed, rugose pseudobulbs enveloped basally by several pairs of distichous, imbricating, leaf-bearing sheaths and carrying 2 to 3, lanceolate, acute, keeled, shortly conduplicate below into the subpetiolate base leaves that blooms on an axillary, to 197" [500 cm] long, pendant, paniculate, loosely branched, many [to 150] flowered inflorescence arising on a mature pseudobulb with the main branches carrying 8 to 12 flowers and the secondary branches carrying to 4.

Often cited with C pozoi being a synonym but new examinations of the type and species in the field confirm the C pozoi is a separate species.

Synonyms *Oncidium detortum Rchb.f. 1888; Oncidium sanderianum Rolfe 1893

References W3 Tropicos, Kew Monocot list , IPNI ; *Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1917; Venezuelan Orchids Illustrated Vol 3 Dunsterville & Garay 1965 as Oncidium detortum drawing ok; Orchids of Venezuela An Illustrated Field Guide Vol 2 H-O, Dunsterville & Garay 1979 as Oncidium detortum drawing ok; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 as Oncidium detortum drawing ok; Lindleyana Vol 16 No 2 2001; Orquideas Nativas del Tachira Cesar Fernandez 2003 photo not; Native Ecuadorian Orchids Vol 4 Dodson 2003 as Oncidium detortum photo fide; Orchid Species Culture: Oncidium 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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