Oncidium aurarium Rchb.f 1884 SECTION Stellata
Photos © courtesy of Pablo Bermudez
Photos © courtesy of Erica Morňn de Abad in Peru
Drawing by © Willibald Koniger
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Common Name The Golden Oncidium
Flower Size 1.6" [4 cm]
Found in Zamora-Chinchipe province of Ecuador, Junin and Pasco departments of Peru and Cochabamba and Santa Cruz departments of Bolivia along road cuts in middle to lower elevations wet cloud forests at elevations around 600 to 1900 meters as a medium to just large sized, warm to cool growing epiphyte with tapered, cylindrical, laterally compressed, longitudinally grooved pseuodbulbs enveloped partially by 4 to 5, imbricating, lowermost leaf-less uppermost leaf-bearing sheaths carrying 2, apical, narrow, elliptic, acute, conduplicate below into the short petiole-like base leaves that blooms in the winter, spring and fall on an axillary, arching to wiry to subpendent, to 80" [to 200 cm] long overall, basally paniculate, many, rather widely spaced, short, almost straight to weakly fractiflex, few flowered side branches, apically racemosew, to 360 flowered inflorescence with apressed, scale-likeshorter than the ovary floral bracts and carrying stellate flowers with. slightly recurved apices of the sepals and petals.
Synonyms Collare-stuartense aurarium (Rchb.f.) Szlach. & Górniak 2006; Odontoglossum aurarium (Rchb.f.) Garay 1970; Odontoglossum mapiriense Mansf. 1934; Odontoglossum trilobum Schlechter 1921; ; Oncidium trilobum [Schlechter] Garay & Stacy 1974
References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium auraurium drawing fide; Icones Orchidacearum Peruviarum Plate 139 Bennett & Christenson 1993 as Oncidium auraurium drawing fide; Rudolf Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 as Oncidium auraurium; Orchid Species Culture, Oncidium Bakers 2006 asOncidium auraurium; Icones Orchidacearum Peruviarum plate 139 Bennett & Christenson 1993 as Oncidium auraurium drawing fide; Oncidium Koniger Vol 1 2004 as Oncidium auraurium photo/drawing fide; The Pictoral Encyclopedia of Oncidium Zelenko 2005 as Oncidium auraurium; Orchid Species of Peru Zelenko Bermudez 2009 photo fide as Odontoglossum auriarium; Orquideas del Peru Freuler 2010 as Oncidium auraurium photo fide; Las Orquideas del Peru Izerskyy & Bezverhov 2011 as Oncidium auraurium photo fide; The Odontoglossum Story Dalstrom, Higgins & Deburghgraeve 2020 photo/drawing fide
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