Cyrtochilum geniculatum Königer 1991 SECTION Eucyrtochilum Kranzlin Photo by © Guido Deburghgraeve.

Another Flower Photo by © Lourens Grobler.

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Common Name The Knee Cyrtochilum [refers to the bump in the petals that has more or less the form of a knee]

Flower Size 2 2/5" [6 cm]

Found in Ecuador at elevations of 1500 to 2000 meters as a large sized, cool to cold growing epiphyte with smooth, narrowly ovoid, slightly laterally compressed pseudobulbs enveloped basally by several, imbricating, conduplicate leaf bearing sheaths and carrying 3 apical, lanceolate, leathery, acute, conduplicate below into the subpetiolate base leaves that blooms in the summer on an axillary, erect, to 5' to 10'[ 150 to 300 cm] long overall, paniculate, many branched, 2 to 4 flowers per branch, many flowered inflorescence arising on a mature pseudobulb through the axil of a leaf bearing sheath.

Synonyms Oncidium geniculatum Dodson 1998;

References W3 Tropicos, Kew Monocot list IPNI ; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 as C monachicum drawing fide; Icones Planetarum Tropicarum plate 184 Dodson 1980 as Oncidium monachicum not drawing fide; AOS Bulletin Vol 70 No 1 2001 photo; Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; Native Ecuadorian Orchids Vol 4 Dodson 2003 as Oncidium geniculatum drawing/photo fide; AOS Bulletin Vol 74 No 10 2005 photo; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide

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