Oncidium stenotis Rchb.f. 1876 SECTION Oncidium Photo by Eerika's Bilder Website
Photo by Costa Rica Linda Website
Photos by Danny Lentz, plant grown by Atlanta Botanical Garden
to 
Common Name The Very Slim, Tight Ear Oncidium
Flower Size 1 1/2" [3.75 cm]
Found from Costa Rica to Ecuador in tropical, wet forests, dense wet secondary forest at elevations of sea level to 2000 meters as a large sized, hot to warm growing epiphyte or occasional terrestrial with oblong, laterally compressed, ancipitous, coarsly sulcate pseudobulbs enveloped basally by several leaf sheaths and carrying a single, apical, elliptic-oblong, subcoriaceous, obtuse and apiculate leaf that is conduplicate below and strongly carinate abaxially that blooms in the fall on a lateral, paniculate, 3 to 4 1/2' [1 to 1.5 m] long, many flowered inflorescence carrying fragrant flowers.
Koniger cites this species as a synonym of O lineoligerum and if true then this name takes precedence.
Synonyms Oncidium lineoligerum Rchb.f 1854; Oncidium turialbae Schltr. 1910
References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1853 as O lineoligerum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium turialbae; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 drawing ok; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium lineoligerum; Repert. Sp. Nov. Regni. Veg. Beih. 19: 67. Costa Rica Schlechter 1923 as Oncidium turialbae; The Orchids of Panama L.O. Williams & P Allen 1946; Encyclopedia of Cultivated Orchids Hawkes 1965; Icones Planetarum Tropicarum plate 190 Dodson 1980 drawing fide; Icones Planetarum Tropicarum plate 1062 Dodson 1984 drawing fide; Orchids from The Coast Of Ecuador Arosemana, Jurado, Estrada and Konanz 1988 photo fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Icones Planetarum Tropicarum plate 1473 Atwood 1992 drawing fide; Icones Orchidacearum Peruviarum Plate 143 Bennett & Christenson 1993 as O lineoligerum drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1999 drawing fide; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Native Ecuadorian Orchids Vol 4 Dodson 2003 photo fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 drawing good; Orquideologia Vol. 23 No 2 2004 photo fide; Oncidium Vol 2 Koniger as O lineoligerum drawing/photo fide; Orchid Species Culture: Oncidium, Bakers 2006; Orchids of Costa Rica Vol 2 Morales 2009 photo fide; AOS Bulletin Vol 80 #6 2011 pollinia onlyphoto fide; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 photo fide
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