Cyrtochilum williamsianum (Dodson) Dalström 2001

Photo by © Alex Reynolds and the ORCHIDS of MAQUIPUCUNA Website

Common Name Williams' Cyrtochilum

Flower Size .6" [1.5 cm]

Found in Colombia and northwestern Ecuador at elevations around 1200 to 1410 meters as a small sized, cool growing epiphyte with caespitose, narrowly ovoid pseudobulbs enveloped almost completely by 8 to 10, distichous, leaf-bearing sheaths and carrying a single, apical, oblong-elliptic, acute, conduplicate below into the subpetiolate base leaf that blooms iun the fall on an axillary, erect to slightly wiry, few flowered, fractiflex, to 20 to 80" [50 to 200 cm] long, sometimes paniculate with a few widely spaced, short, fractiflex, few flowered branches, successively many flowered inflorescence with conspicuous, convex-involute bracts.

Synonyms Cyrtochilum rodrigoi (Königer) Dalström 2001; *Oncidium williamsianum Dodson 1996; Trigonochilum rodrigoi Königer 2000; Trigonochilum williamsianum (Dodson) Senghas 2001; Trigonochilum williamsianum (Dodson) Königer 2008

References W3 Tropicos, Kew Monocot list , IPNI ; Native Ecuadorian Orchids Vol 4 Dodson 2003 as Oncidium williamsianum drawing/photo fide; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006 as C rodrigoi; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide; Orchids of the Department of Valle de Cauca Colombia Vol 4 Kolanowska and Szlachetko 2016 as Trigonochilum williamsianum drawing/photos fide

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