Oncidium obryzatum Rchb. f. 1854 SECTION Excavata
Photo by Jay Pfahl
Drawing by © Willibald Koniger
to
Common Name The Shiny Golden Yellow Oncidium
Flower Size 1" [2.5 cm]
Found in Costa Rica, Panama, Antioquia, Meta. Valle de Cauca and Cauca departments of Colombia, Venezuela, El Oro, Chimborazo, Carchi and Bolivar provinces of Ecuador and Pasco and Ucayali departments of Peru in shady locations in the wet cloud forest canopy at elevations of 400 to 1600 meters as a small to medium sized, hot to cool growing epiphyte with roundish, ovate or elliptic-oblong, laterally compressed, ancipitous, dark brown or black spotted pseudobulbs partially enveloped basally by several imbricate, leaf-bearing sheaths and carrying a single, apical, linear-lanceolate, acute, conduplicate below into the elongate, petiole-like base that blooms in the spring, summer and fall on an axillary, erect to arching, racemose to paniculate, 12 to 48" [30 to 122 cm] long, many flowered inflorescence arising on a mature pseudobulb and carrying sometimes fragrant flowers.
Often cited as a synonym of O klotscheanum but differs in the narrow sepals, longer petals and much longer middle section of the lip.
Synonyms Odontoglossum obryzatum (Rchb.f. & Warsz.) Dalström & W.E.Higgins 2016; Vitekorchis obryzata (Rchb. f.) Romowicz & Szlach. 2006
ReferencesW3 Tropicos, Kew Monocot list , IPNI ; *Bonplandia Rchb.f 1854; Atlas des Orchidees Cultivees Constantin 1920 drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium floribundum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium microcachrys; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium meliosmum drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 drawing ok; Repert. Sp. Nov. Regni. Veg. Beih. 17: 83. Panama Schlechter 1922 as O fulgens; Repert. Sp. Nov. Regni. Veg. Beih. 19: 151. Costa Rica Schlechter 1923 as O varians; Beitrage Zur Orchideenkunde Von Colombia 27:112 Schlechter 1924 as O hoppii; The Orchids of Panama L.O. Williams & P Allen 1946; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 36 #9 1967; Flora de Venezuela Volumen XV Part 5 Foldats 1970 drawing fide; Orquideologia Vol 14 No 1 1979 photo fide; Orchids of Venezuela, An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 drawing fide; Icones Planetarum Tropicarum plate 185 Dodson 1980 drawing ok; Orchids from The Coast Of Ecuador Arosemana, Jurado, Estrada and Konanz 1988 photo not = O klotzschianum ok; Native Colombian Orchids Vol 3 COS 1991 photo ok; Icones Planetarum Tropicarum plate 1470 Atwood 1992 drawing good; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 drawring/photo fide; AOS Bulletin Vol 62 No 5 1993 photo good; Fieldiana Biology, Flora Costa Ricensis Family # 39 Orchidaceae, subtribes Maxillariinae and Oncidiinae Atwood & Mora 1997; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 not = O klotzschianum; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing fide; Icones Orchidacearum Peruviarum Plate 736 Bennett & Christenson 2001 drawing fide; Orquideologia Vol. 23 No 2 2004 as O hoppii; Orquideologia Vol. 23 No 2 2004 O meliosmum; Orquideologia Vol 23 #2 2004; Orchid Species Culture: Oncidium, Bakers 2006; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo ok; Oncidium Vol 3 Koniger 2007 photo/drawing; AOS Bulletin Vol 77 No 12 2008 photo fide; Orquideas de Farallones de Cali Galindo-Tarazona, Haelterman, Zuluaga Trochez and Sebastian Moreno 2020 as O cf obryzatum photo ok; Vanishing Beauty, Native Costa Rican Orchids Vol 2 Lacaena to Pteroglossa Pupulin 2020 photo fide
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