Odontoglossum cirrhosum Lindley 1833 SECTION Canaliculatum SERIES Cirrhosum Dalstrom 2020

Photo by 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]

Found in Colombia, Ecuador and Peru in wet montane cloud forests at altitudes of 1700 to 2900 meters as a medium sized, cold to cool growing epiphytic species with oblong-ovoid, compressed pseudobulbs enveloped basally by 3 pairs of distichous, imbricate, foliaceous sheaths carrying 1 to rarely 2, apical, linear-oblong to elliptic-oblong, acute, conduplicate intothe sub[etiolate base leaves that blooms at least in the spring on an axillary, arising through the uppermost sheaths, arising on a mature pseudobulb, erect to arcuate, to 2' [60 cm] long, racemose or paniculate, densely many flowered inflorescence with scale-like, appressed, shorter to a bit longer than the ovary floral bracts and carrying irregularily spidery, sweetly scented 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; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Native Colombian Orchids Vol 3 COS 1991 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 photo fide; AOS Bulletin Vol 74 No 10 2005 photo fide; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 76 #10 2007 photo fide; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; AOS Bulletin Vol 85 #2 2016 as Oncidium cirrhosum photo fide; The Odontoglossum Story Dalstrom, Higgins & Deburghgraeve 2020 drawing/photo fide

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