Cyrtochilum longipes [Rchb.f. & Warsz] Kraenzl. 1922 SECTION Myanthium Lindl.

Drawing Photo by © Karl Senghas/drawing by Dodson and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Another Color Form Photo by Marius Wasbauer

Part sunColdSpringSummer

Common Name The Long Column Foot Cyrtochilum

Flower Size 3/5" [1.5 cm]

Found in southern Ecuador and Peru in dry grasslands above the treeline or on clay banks in wet, cloud forests at elevations of 2800 to 3300 metes as a medium sized, cold growing terrestrial with ovate, flattened pseudobulbs enveloped basally by several, distichous, imbricating sheaths with the uppermost being leaf-bearing that blooms in the spring and summer on an axillary, erect, slender, to 2'4" to 3'4" [70 cm to 1 meter] long overall, long pedunculate, paniculate, many ascending, strongly zig-zag, to 8" [to 20 cm] long, branched, many flowered inflorescence arising on a mature pseudobulb through the axil of the upper basal sheath and carrying campanulate flowers.

Certainly related to C rubrocallosum but differs in the callus and petal shape and column.

Synonyms Dasyglossum flavescens (Rolfe) Königer & Schildh. 1994; Dasyglossum longipes ( Rchb.f. & Warsz. ) Königer & Schildh. 1994; Odontoglossum flavescens Rolfe 1904; *Odontoglossum longipes Rchb.f. & Warsz. 1856; Trigonochilum flavescens (Rolfe) Senghas 1997; Trigonochilum longipes (Rchb.f. & Warsz.) Senghas 2003

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as Odontoglossum longipes; Das Pflanzenreich Odontoglossum/Oncidium Kranzlin 1922 drawing ok; Orchids of Peru Vol 4 Schweinfurth 1961 as Odontoglossum flavescens; Orchids of Peru Vol 4 Schweinfurth 1961 as Odontoglossum longipes; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970; Icones Planetarum Tropicarum Plate 952 Ecuador Dodson 1984 as Odontoglossum flavescens drawing ok; Icones Planetarum Tropicarum Plate 958 Ecuador Dodson 1984 as Odontoglossum longipes drawing ok; Icones Orchidacearium Peruviarum Bennet & Christensen Plate 331 1995 drawing ok; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 as Trigonochilum flavescens drawing fide; Icones Orchidacearium Peruviarum Bennet & Christensen Plate 727 2001 as Odontoglossum flavescens drawing fide; Lindleyana Vol 16 No 2 2001; Orchid Species Culture: Oncidium/Odontoglossum alliance Bakers 2006; Orquideas del Peru Freuler 2010 photo fide

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