Cyrtochilum weirii (Rchb. f.) Dalström 2001
Photo by © Jay Pfahl
WEAKLY 
LATE 
Common Name or Meaning Weir's Cyrtochilum [English plant collector 1800's]
Flower Size 2" [5 cm]
Found in Cundinamarca department of Colombia on moss covered branches of trees and shrubs in upper cloud forests or paramo at elevations of 2700 to 3500 meters as a small sized, cold growing, caespitose, bifoliate lithophyte, on cliff faces, or epiphyte with ovate, slightly laterally compressed, slightly longitudinally rugose with age pseudobulbs partially enveloped basally by 2 pairs of disitichous, imbricating leaf-bearing sheaths and carrying 2 apical, broadly lanceolate, acute, conduplicate below into the petiole-like base leaf that blooms in the spring and summer in Bogota' on an axillary, 30" [75 cm] long, erect then arching to pendulous, to 7 branched, fractiflex, short, widely spaced branches each carrying 3 to 5 flowers, central apex racemose, to 40 flowered inflorescence that arises on a newly matured pseudobulb and carrying weakly scented flowers
Synonyms Odontoglossum marginellum Rchb.f. 1882; Odontoglossum weirii Rchb.f 1875; Trigonochilum weirii (Rchb.f.) Königer 2009
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Planetarum Tropicarum Series II plate 0267 Dodson & Vasquez 1989 drawing ok; The Pictoral Encyclopedia of Oncidium Zelenko 2001; Native Colombian Orchids Vol 3 COS 1991 as Odontoglossum weirii photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 as Odontoglossum weirii photo fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 as Odontoglossum weirii; *Lindleyana Vol 16 No 2 2001; The Pictoral Encyclopedia of Oncidium Zelenko 2002 drawing ok; Orquideologia VOl 24 #2 2006 photo fide; Libro Rojo de Plantas De Colombia Vol 6 Primera Parte Saenz 2007 as Odontoglossum weirii photo fide; Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014 drawing/photo fide
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