Osmoglossum convallarioides Schltr. 1923
Photo by © Bogarin, Used under permission of Epidendra Website CR
Photo courtesy of Patricia Harding.
to 
Common Name The Lily of The Valley-Like Osmoglossum - In Costa Rica - Lirio Del Valle
Flower Size 1/4" [6 cm]
Found from Guatemala Nicaragua, Costa Rica and Panama at elevations of 1475 to 2700 meters on the Pacific side in premontane and lower montane cloud forests on tree trunks as a miniature to small sized, cool to cold growing epiphyte and occasional lithophyte with elliptic-ovoid, sulcate, ancipitous pseudobulbs enveloped basally by 2 or more, soon deciduous, imbricating, lower most leafless, upper most leaf-bearing sheaths and carrying 2, apical, coriaceous, flexuous, linear to narrowly oblanceolate, acute, conduplicate towards the petiolate base leaves that blooms in the winter and spring on a lateral, racemose, 10 to 12" [25 to 30 cm] long inflorescence arising on a mature pseudobulb carrying small, non-resupinate, fragrant flowers.
Synonyms Cuitlauzina convallarioides (Schltr.) Dressler & N.H.Williams 2003; Odontoglossum convallarioides [Schlechter] Ames & Correll 1943;
References W3 Tropicos, Kew Monocot list , IPNI ; Lankester's Epidendra Website CR; *Repert. Sp. Nov. Regni. Veg. Beih. 19: 148. Costa Rica Schlechter 1923; The Orchids of Panama L.O. Williams & P Allen 1946 as Odontoglossum convallarioides; AOS Bulletin Vol 33 No 11 1964 as Oddontoglossum convallariodes; Encyclopedia of Cultivated Orchids Hawkes 1965 as Odontoglossum convallarioides; ORQUIDEA (Méx . ) 8(2) MARZO 1982 drawing/photo fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Icones Planetarum Tropicarum plate 1475 Atwood 1992 drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 drawing fide/photo not = O egertonii fide; Guatemala Y Sus Orquideas Behar & Tinschert 1998 photo fide; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 drawing fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 drawing fide; The Pictoral Encyclopedia of Oncidium Zelenko 2005; Vanishing Beauty; Native Costa Rican Orchids Vol 1 Pupulin 2005 as Cuitlauzina convallarioides; photo fide; Orchid Species Culture: Oncidium, Bakers 2006; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Cuitlauzina convallarioides
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