Odontoglossum cirrhosum Lindley 1833 SUBGENUS Erectolobata Photo courtesy of Weyman Bussey.

White Petaled Variety Photo courtesy of Andy's Orchids Copyright 2002 All rights reserved.

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Common Name The Wavy Odontoglossum [refers to the tendril-like extensions of the column]

Flower Size to about 4" [to about 10 cm]

This medium sized, cold to cool growing epiphytic species from Colombia, Ecuador and Peru in wet montane cloud forests at altitudes of 1200-2900 meters has oblong-ovoid, compressed pseudobulbs enveloped basally by 3 pairs of distichous, imbricate, foliaceous sheaths carrying a single, apical, linear-oblong to elliptic-oblong, acute leaf that blooms in the spring on a basal, erect to arcuate, to 2' [60 cm] long, racemose or paniculate, densely many flowered inflorescence arising on a mature pseudobulb that is longer than the leaf and has large flowers.

Synonyms Odontoglossum hrubyanum Hort; Oncidium cirrhosum [Lindley] Beer 1854

References W3 Tropicos, Kew Monocot list , IPNI ; Otia Botanica Hamburgensia Rchb.f 1878; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Orquideologia Vol 12 No 3/4 1977/8; Icones Planetarum Tropicarum plate 466 Dodson 1982 drawing fide; Native Colombian Orchids Vol 3 COS 1991 photo fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 photo fide; AOS Bulletin Vol 74 No 10 2005 photo; Orchid Species Culture: Oncidium, Bakers 2006; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007; Orchid Species of Peru Zelenko Bermudez 2009 photo fide

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