Oncidium flexuosum C.Loddiges 1820 SECTION Synsepala Photo by Patricia Harding

Inflorescence Photo by Luiz Filipe Varella

Part shade Hot to Cool FallandWinter

Common Name The Bent Oncidium

Flower Size from 3/4" to 1 1/2" [2 to 3 cm]

Found in Para, Pernambuco, Alagoas, Bahia, Espiritu Santo, Minas Gerais, Rio de Janiero, Sao Paulo, Parana, Santa Catarina and Rio Grande do Sul states of Brazil, Argentina, Uruguay and Paraguay in the coastal mountains and along inland creeks and marshes at elevations of sea level to 1200 meters as a small to medium sized, cool to hot growing, epiphytic orchid that has narrowly ovoid or ovate-elliptic, compressed, ancipitous pseudobulbs carrying 2 apical, spreading, slightly coriaceous, narrowly oblong-ligulate, obtuse or abruptly acute leaves that blooms in the fall and winter on an erect to arcuate, to 3' [90 cm] long, dull purple, paniculate inflorescence with 4 to 10, long ascending branches with to 10 flowers and narrowly triangular, very short, acute floral bracts and carrying many, small flowers.

Synonyms Ampliglossum flexuosum (Lodd.) Campacci 2006; Coppensia flexuosa (Lodd.) Campacci 2006; Epidendrum lineatum Vell. 1831; Gomesa flexuosa (Lodd.) M.W.Chase & N.H.Williams 2009; Gomesa megaloptera (Kraenzl.) M.W.Chase & N.H.Williams 2009; Oncidium flexuosum Sims 1821; Oncidium flexuosum var. radiatum Rchb.f. 1872; Oncidium haematochrysum Rchb.f 1849; Oncidium haematoxanthum Rchb. f. ex Lindl. 1855; Oncidium megalopterum Kraenzl. 1922

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing ok; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium haematochrysum drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 as Oncidium megalopterum; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Encyclopedia of Cultivated Orchids Hawkes 1965; Die Orchideen #1 1-4 tafel 1&2 Rudolph Schlechter 1971 photo plant only; AOS Bulletin Vol 47 No 6 1978 photo; Orchid Digest Vol 44 No 2 1980 photo ok; AOS Bulletin Vol 56 No 1 1987 drawing; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 photo good; Australian Orchid Review Vol 66 No 2 2001 photo; Australian Orchid Review Vol 66 No 6 2001 photo; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Oncidium Vol 1 Koniger 2004; Oncidium Vol 2 Koniger 2005; 100 Orquideas Argentinas Freuler 2005 photo ok; Orquideas Da Chapada Diamantina Brito & Cribb 2005; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 76 No 8 2007 photo as Coppensia flexuosa; Orchids of Brazil Vol 1 Oncidinae Baptista, Harding & Neto 2011 as Coppensia flexuosa photo fide