Cyrtochilum leopoldianum (Rolfe) Kraenzl 1917 SECTION Eucyrtochilum Kranzlin Photo by Gary Yong Gee and Orchids by Gary Yong Gee Website

Drawing Drawing by Lucien Linden and The Swiss Orchid Foundation at the Jany Renz Herbaria

What has been known as Oncidium corynephorum is certainly a subspecies but may be a free standing species, stay tuned. Photo by Eric Hunt , Plant grown by Marni Turkel

Common Name Leopold's Cyrtochilum [Belgian King late 1800's]

Flower Size 1.6" [to 4 cm]

Found in Colombia and Peru in transitional forests in between savannah woods and upland, evergreen woods at elevations of 1300 to 1400 meters as a small sized, cool growing epiphyte with a long creeping rhizome, ovoid-oblong to ovoid-cylindrical pseudobulbs basally enveloped by several pairs of imbricate, leaf-bearing sheaths carrying 1 or 2 apical, oblanceolate, acute, gradually conduplicate below into the base leaves that blooms on a scandent, 100" [2.5 meters] long, many branched towards the apex, to 5" [12.5 cm] long each branch, many flowered inflorescence.

Synonyms Cyrtochilum villenaorum Christenson 2002; Oncidium leopoldi "Rolfe" ex God.-Leboeuf 1890; Oncidium leopoldianum Rolfe 1890

References W3 Tropicos, Kew Monocot list , IPNI ; Atlas des Orchidees Cultivees Constantin 1920 as Oncidium leopoldianum drawing fide; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 drawing ok; Orchids of Peru Vol 4 Schweinfurth 1961 as Oncidium leopoldianum; Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 as C villenaorum drawing fide; Orchids Vol 71: No 7 pg 616 2002 as C villenaorum photo; Australian Orchid Review Vol 68 No 5 2003 as C villenaorum photo; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; AOS Bulletin Vol 77 No 1 2008 as C villenaorum photo; Orchid Species of Peru Zelenko Bermudez 2009 as C villenaorum photo fide; Genera Orchidacearum Vol 5 Epidendroideaea Part 2 Pridgeon, Chase, Cribb & Rasmusen 2009 as C villenaroum photo fide; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010

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