Oncidium varicosum Lindl. & Paxton 1837 SECTION Synsepala
Photos by © Lourens Grobler
Plant and Flowers in situ Bahia Brazil
Photo by © Sidney Marçal
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Common Name The Veined Oncidium
Flower Size seldom more than 1 1/2" [to more than 3.75 cm]
Found in Goias, Bahia, Minas Gerais, Sao Paulo, and Parana states of Brazil, Bolivia and Paraguay at elevations of 500 to 1800 meters as an epiphytic, medium sized, cool to warm growing orchid with ovoid, elongate, slightly compressed and rugose, 4" [10 cm] pseudobulbs that have 2 to 3 apical, lanceolate, coriaceous yet flexible, curved 8" [20 cm] leaves. Blooming in the fall and winter on a basal stiff panicle, usually pendant, branched, lax and 2 to 5' [60 to 150 cm] long and carrying many non-fragrant, variable sized flowers.
Synonyms Ampliglossum varicosum (Lindl.) Campacci 2006; Coppensia varicosa (Lindl.) Campacci 2006; Gomesa varicosa (Lindl.) M.W.Chase & N.H.Williams 2009; Oncidium euxanthinum Rchb. f. 1869; Oncidium geranense Barb. Rodr. 1881; Oncidium lunaeanum auct. 1850; Oncidium rodgersii Bateman 1868; Oncidium varicosum var. charlesworthii auct. 1892; Oncidium varicosum var. concolor Cogn. 1897; Oncidium varicosum var. lindenii auct. 1899; Oncidium varicosum var. rogersii (Bateman) Rchb.f. 1870; Oncidium varicosum var. southorangense Grey 1895; Oncidium varicosum var. vexillarium Rchb.f ex Kraenzl. 1922; Oncidium vexillarium (Rchb.f. ex Kraenzl.) Königer 2008
References W3 Tropicos, Kew Monocot list , IPNI ;
Die Orchideen Schlechter 1915 as O euxanthinum; Die Orchideen Schlechter 1915 photo fide; Die Orchideen Schlechter 1915 as O varicosum var rogersii; Die Orchideen Schlechter 1915 as O varicosum var concolor; Atlas des Orchidees Cultivees Constantin 1920 drawing good; Atlas des Orchidees Cultivees Constantin 1920 as O euxanthinum drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as O euxanthinum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium geraense; AOS Bulletin Vol 32 No 10 1963; Encyclopedia of Cultivated Orchids Hawkes 1965 photo ok; Die Orchideen #1 1-4 tafel 1&2 Rudolph Schlechter 1971 photo fide; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide; AOS Bulletin Vol 54 No 6 1985 photo fide; AOS Bulletin Vol 56 No 11 1987 photo good; AOS Bulletin No 63 No 9 1994 photo fide; AOS Bulletin Vol 64 No 4 1995 drawing fide; ; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997; Australian Orchid Review Vol 66 No 2 2001 photo; AOS Bulletin Vol 71 No 10 2002 drawing fide; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Oncidium Vol 2 Koniger 2005 drawing/photo fide; 100 Orquideas Argentinas Freuler 2005 photo fide; Orquideas Da Chapada Diamantina Brito & Cribb 2005; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 76 No 8 2007 as Coppensia varicosa Photo fide; AOS Bulletin Vol 78 #4 2009 sa Gomesa varicosum photo fide; Orchids of Brazil Vol 1 Oncidinae Baptista, Harding & Neto 2011 as Coppensia varicosa photo fide; AOS Bulletin Vol 86 # 3 2017 as Gomesa varicosum drawing fide;
Oncidium varicosum Lindl. & Paxton var. rogersii 1837
Photo by © Lourens Grobler
Photo courtesy of Mauro Rosim
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Flower Size 2" [5 cm]
Found in Brazil as a cool to hot growing epiphyte that blooms on a stiff, usually pendant, profusely branched, lax and 2 to 5' [60 to 150 cm] long inflorescence occuring in the fall and winter.
References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; AOS Bulletin Vol 14 #5 1946 photo ok; AOS Bulletin Vol 31 #6 1962 photo fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 47 No 6 1978 photo fide; Orchid Digest Vol 44 No 2 1980 photo fide; AOS Bulletin Vol 55 #12 1986 photo fide; AOS Bulletin Vol 63 No 9 1994 photo not = O insigne; AOS Bulletin Vol 65 No 4 1996 drawing fide; AOS Bulletin Vol 76 #8 2007 photo fide;
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