Cyrtochilum dipterum (Lindl.) Kraenzl. 1917 SECTION Myanthium Photo by Jay Pfahl

Another Flower Photo by Guido Deburghgraeve

Part Shade Cold Winter Spring

Common Name The Two-Winged Cyrtochilum

Flower Size 1.2" [3 cm]

Found in Colombia in the northern reaches of the central cordillera in Antioquia, Caldas, Quindio and Tolima states in cloud forests at elevations of 2600 to 3400 meters on roadbanks and on the edge of forest clearings as a small sized, cold growing terrestrial with narrowly ovoid, apically tapering, laterally compressed, ancipitous, longitudinally grooved in maturity pseudobulbs enveloped basally by 1 to 2 pairs of distichous, imbricating, longitudinally conduplicate, leaf-bearing sheaths and carrying 1 to 2, narrowly lanceolate, acute, narrowing below into the conduplicate, elongate, narrowly petiolate base leaves that blooms in the spring on an axillary, erect to arching, 19" [48 cm] long, paniculate, 5 to 6 branched, fractiflex, many [to 36] flowered, inflorescence.

Similar to C ioplocon but this one differs in the bicolored sepals and petals and the ventrally straight column.

Synonyms Odontoglossum calodryas Rchb.f. 1876; *Odontoglossum dipterum Lindl. 1846; Oncidium dipterum (Lindl.) Beer 1854

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922; Encyclopedia of Cultivated Orchids Hawkes, [1965] 1987; Icones Planetarum Tropicarum Plate 946 Dodson 1984 as Odontoglossum calodryas drawing ok; Native Colombian Orchids Vol 3 COS 1991 as Odontoglossum dipterum photo fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 as Odontoglossum dipterum; *Lindleyana vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing okish; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007 photo fide as Odontoglossum dipterum; Flora of Ecuador No 87 225[3] Orchidaceae Dodson & Luer 2010 drawing fide

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