Oncidium robustissimum Rchb. f. 1888 SECTION Crassifolia Photo © Amerigo Docha Neto and the Orchidstudium Webpage

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Common Name The Very Powerful Oncidium

Flower Size 1" [2.5 cm]

Found in Brazil at elevations of 1000 to 2000 meters as a medium sized, cool to warm growing epiphyte with short, stout, elliptic, laterally compressed, ancipitous pseudobulbs partially enveloped by dry, thin leafless sheaths and carrying a single, apical, fleshy, olive green, oblong, dorsally keeled, conduplicate below into the base leaf that blooms winter and spring on a stout, many branched, to 6' 8" [2 m] long, paniculate inflorescence with triangular-lanceolate, acute floral bracts and 6" long branches carrying many, spreading flowers

Has been cited as a synonym of Oncidium divaricatum but I am not so sure that they are separate, so I leave them this way for now.

Synonyms *Aurinocidium robustissimum ( Rchb.f. ) Romowicz & Szlach. 2006

References W3 Tropicos, Kew Monocot list , IPNI ; Oncidium Vol 1 Koniger 2004 photo/drawing as O divaricatum; Orchid Species Culture: Oncidium, Bakers 2006; The Pictoral Encyclopedia of Oncidium Zelenko 2002

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