Cyrtochilum ionodon (Rchb. f.) Dalström 2002 SECTION Eucyrtochilum Kranzlin Photo by Guido Deburghgraeve © .

Another Flower Photo by © H.Šedivá and Botanickateplice Website

Another Flower Photo by Ecuagenera and the Ecuadorian Orchid Website

Part sun ColdSummer

Common Name The Violet-Blue Tooth Cyrtochilum

Flower Size 2" [5 cm]

Found in Peru in wet, cloud forests at elevations around 2800 meters as a medium sized, cold growing epiphyte with ovoid, lightly compressed pseudobulbs enveloped basally by several foliaceous sheaths that are shorter or equal to the 2 apical, linear, acuminate, erect, arching leaves and blooms in the summer on a enormous vine-like, erect becoming arching to pendent towards the middle, paniculate, 7'8" [2.3m] long, shortlypedunculate, many distichously branched, with 4 to 8, showy flowers on each branch, many flowered inflorescence arising on a fully matured pseudobulb.

C cumandae differs from C ionodon by the more rounded apex of the column, the finely serrate column wings and the sepals, particularly the dorsal, which are weakly auriculate. In C ionodon the column apex is distinctly triangular acute, the column wings are more truncate and the sepals, particularly the dorsal are distinctly auriculate.

Synonyms *Oncidium ionodon Rchb. f. 1876

References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum Peruviarum Plate 531 Bennett & Christenson 1998 as Oncidium ionodon drawing hmm; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; AOS Bulletin Vol 72 No 4 2003 photo; Native Ecuadorian Orchids Vol 4 Dodson 2003 as Oncidium lamelligerum photo fide; The Pictoral Encyclopedia of Oncidium Zelenko 2005; 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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