Cyrtochilum umbrosum (Rchb. f.) Dalström 2001 SECTION Cimicifera Photo courtesy of Eric Hunt , Plant grown by Steven Beckendorf ©

Common Name The Shadowy Cyrtochilum

Flower Size 1" [2.5 cm]

Found in Colombia? and Venezuela at elevations around 1500 to 1920 meters in grass and short scrub as a large sized, cool growing terrestrial orchid with narrowly ovoid to ovoid pseudobulbs enveloped basally by several distichous,imbricate, leafless on the outer and leaf-bearing on the inner sheaths and carrying 2, apical, erect, somewhat thin, linear, linear-lanceolate, to linear-oblanceolate, acute, attenuate below into the elongate, conduplicate, petiolate base leaves that blooms on a paniculate, 6' 8" [200 cm] long, distant branched, fractiflex, inflorescence arising on a mature pseudobulb.

Synonyms *Odontoglossum umbrosum Rchb. f. 1849; Oncidium dunstervilleorum Foldats 1968; Oncidium umbrosum (Rchb. f.) Rchb. f. 1854; Symphyglossum umbrosum ( Rchb.f. ) Garay & G.C.K.Dunsterville 1976

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1853; Venezuelan Orchids Illustrated Vol 5 Dunsterville & Garay 1972 as Oncidium umbrosum drawing fide; Flora de Venezuela Foldats Volumen XV Part 5 1970 as Oncidium dunstervilleorum drawing fide; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 as Symphoglossum umbrosum drawing fide; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 as Symphoglossum umbrosum drawing fide; *Lindleyana Vol 16 No 2 2001; Orquideas Nativas del Tachira Cesar Fernandez 2003 as Symphoglossum umbrosum photo fide; Orquideologia Vol. 23 No 2 2004 as Oncidium umbrosum; Orchid Species Culture: Oncidium, Bakers 2006; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010

Cyrtochilum umbrosum var alba Photo by Stefan Paeffgan ©

A white color form of the rpevious species.

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