Oncidium auriferum Rchb.f. 1850 SECTION Verrucituberculata Photo by Ecuagenera and their Ecuador Orchid Website

Part shadeCool ColdLATERSpring EARLYSummer

Common Name or Meaning The Ear Carrying Oncidium [refers to the column's wings]

Flower Size .6 to .7" [1.5 to 1.8 cm]

Found in Venezuela, Colombia, Ecuador and Peru at elevations around 1600 to 2300 meters as miniature to small sized, cool to cold growing epiphyte with clustered, oblong-ovoid, yellowish, laterally compressed pseudobulbs enveloped basally by several sheaths and carrying a single, erect, linear to oblong-linear, obtuse, narrowing below into the conduplicate petiolate base leaves that blooms in the later spring and early summer on an erect to arching, slender, to 12" [to 30 cm] long, axillary, several flowered, paniculate, 3 to 6 branched, 2 to 7 flowered inflorescence arising on a mature pseudobulb

Synonyms Oncidium armillare Lindl. 1855; Oncidium aurorae D.E.Benn. & Christenson 1998; Oncidium callistum Rchb.f. ex Kraenzl. 1922; Oncidium oxystegium Kraenzl. 1922;

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1853; Bonplandia Rchb.f 1855; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium oxystegium drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium callistum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium armillare drawing ok; Native Colombian Orchids Vol 6 COS 1991 as O sp #3970 photo fide; Icones Orchidaceaeum Peruviarum Plate 332 and Supplemental plate Bennett & Christenson 1995 drawing fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 as O callistum; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997; Native Colombian Orchids Vol 6 COS 1998 errata = O auriferum; Orquideologia Vol. 23 No 2 2004 as O armillare; Orquideologia Vol. 23 No 2 2004; Oncidium Vol 2 Koniger 2005; Orchid Species Culture Oncidium Odontoglossum Alliance Bakers 2006

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