Cyrtochilum myanthum (Lindl.) Kraenzl. 1917 SECTION Cimicifera Photo by © Lourens Grobler.

Inflorescence Photo by © Patricia Harding.

Inflorescence in Situ Ecuador Photo by © Lourens Grobler

Common Name The Letter "M"-Shaped Odontoglossum

Flower Size 2/5" [1 cm]

Found in Ecuador and Peru in upper montane cloud forests at elevations of 1450 to 3300 as a large sized, cool to cold growing epiphyte or terrestrial on steep embankments with cylindrical, flattened, elongate, pseudobulbs completely enveloped basally by imbricating, distichous sheaths with the uppermost being leaf-bearing carrying a single, apical, linear-lanceolate, conduplicate towards the base leaf and blooming at any time of the year on an axillary, erect, 3' [90cm] long, densely multiflowered, paniculate inflorescence arising on a mature pseudobulb through the axil of a basal sheath with very small flowers.

Synonyms Cyrtochilum mentigerum (Rchb.f. & Warsz.) Kraenzl. 1917; Dasyglossum mentigerum (Rchb.f. & Warsz.) Königer & Schildh. 1994; Dasyglossum myanthum (Lindl.) Königer & Schildhauer 1994; Irenea myantha (Lindl.) Szlach., Mytnik, Górniak & Romowicz 2006; Odontoglossum mentigerum Rchb.f. & Warsz. 1854; Odontoglossum myanthum Lindl. 1844; Oncidium mentigerum (Rchb.f. & Warsz.) Lindl. 1855; Trigonochilum mentigerum (Rchb.f. & Warsz.) Senghas 2003; Trigonochilum myanthum (Lindl.) Senghas 1997;

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as Odontoglossum mentigerum; Icones Planetarum Tropicarum plate 961 Dodson 1984 drawing fide; Icones Planetarum Tropicarum Series II Orchids of Peru Plate 0116 Dodson & Bennett 1989 as Odontoglossum myanthum drawing fide; Icones Planetarum Tropicarum Series II Orchids of Peru Plate 0133 Dodson & Bennett 1989 as Oncidium mentigerum drawing maybe; Icones Orchidacearum Peruviarum Plate 732 Bennett & Christenson 2001 drawing fide; Lindleyana Vol 16 No 2 2001; Native Ecuadorian Orchids Vol 3 Dodson 2002 drawing/photo fide; Orquideologia Vol. 23 No 2 2004 as Oncidium mentigerum; Orchid Species Culture: Oncidium, Bakers 2006; The Pictoral Encyclopedia of Oncidium Zelenko 2005; Orchid Species of Peru Zelenko & Bermudez as C sp photo fide; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide

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