Oncidium pulvinatum Lindl. 1838 SECTION Crassifolia Photo courtesy of Amerigo Docha Neto and the Orchidstudium Webpage

Inflorescence Photo courtesy of Jay Pfahl, plant grown by Milton Carpenter

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Common Name The Cushion-Like Oncidium

Flower Size to almost 1" [to almost 2.5 cm]

Found in Brazil as a compact, medium sized, hot to warm growing epiphyte with compressed, suborbicular-oblong pseudobulbs carrying a single, apical, rigid, erect, oblong, acute leaf that blooms in the later spring on a slender, erect or arching, flexuous, 5 to 8' [150 to 240 cm] long, loosely paniculate, many flowered inflorescence with linear-triangular, very acute floral bracts.

This orchid does best mounted on treefern and grown in a humid environment with moderately bright light. Watering should be lessened in the winter.

Cited as a synonym of Oncidium divaricatum but there are many discrepancies so I leave them as separate species.

Synonyms Aurinocidium pulvinatum ( Lindl. ) Romowicz & Szlach. 2006; Grandiphyllum pulvinatum ( Lindl. ) Docha Neto 2006; Oncidium sciurus Scheidw. 1839

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; AOS Bulletin Vol 27 No 5 1958 drawing; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo fide; Oncidium Vol 1 Koniger Vol 1 2004 as O divaricatum; 100 Orquideas Argentinas Freuler 2005 photo fide; Orchid Species Culture: Oncidium, Bakers 2006; The Pictoral Encyclopedia of Oncidium Zelenko 2002

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