Cyrtochilum angustatum (Lindl.) S.Dalström 2001 SECTION Angustatium Photo by © Guido Deburghgraeve.

Inflorescence Photo by Stig Dalström .

Full Shade Cold LATEFall

Common Name The Narrow Petaled Cyrtochilum

Flower Size 3.1" [8 cm]

Found in southern Colombia, Ecuador and Peru at elevations of 2200 to 3400 meters as cold growing terrestrial on roadside embankments and humus covered rocky slopes or as an epiphyte at the edge of forests with egg shaped, slightly laterally compressed, ancipitous, smooth but longitudinally grooved with age pseudobulbs enveloped partially by several, distichous, imbricating, longitudinally folded sheaths with the upper three being leaf bearing and carrying 1 to 2, erect, spreading, acute, lanceolate, narrowing below into the conduplicate, petiolate base leaves and blooms in the late fall on an erect, to 22" [55 cm] long, many flowered, several, fractiflex branched inflorescence arising through the axil of an upper leaf bearing sheath of a newly matured pseudobulb and carrying 5 to 6 flowers on each 5 to 6" [12.5 to 15 cm] long branch.

Synonyms *Odontoglossum angustatum Lindl. 1837; Odontoglossum claviceps Rchb. f. 1876; Odontoglossum sodiroi Schltr. 1921; Odontoglossum spilotanthum Lindl. & Rchb. f. 1872; Odontoglossum ulopterum Linden & Rchb. f. 1872

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae vol 2 Rchb.f 1873 as Odontoglossum spilotanthum drawing fide; Otia Botanica Hamburgensia Rchb.f 1878 as Odontoglossum angustatum; Otia Botanica Hamburgensia Rchb.f 1878 as Odontoglossum claviseps; Orchids of Peru Vol 4 Schweinfurth 1961 as Odontoglossum angustatum; Icones Planetarum Tropicarum Plate 943 Dodson 1984 as Odontoglossum angustatum drawing fide; Native Colombian Orchids Vol 3 COS 1991 as Odontoglossum angustatum photo fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 as Odontoglossum angustatum photo fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 as Odontoglossum claviceps; *Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing fide; Native Ecuadorian Orchids Vol 3 Dodson 2002 as Odontoglossum angustatum photo fide; AOS Bulletin Vol 74 No 12 2005 drawing; AOS Bulletin Vol 75 No 3 2006 drawing; Orchid Species Culture: Oncidium Alliance, Bakers 2006; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide

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