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Orchid Species: Oncidium haematochrysum

Kew currently accepted name is Gomesa flexuosa

Oncidium haematochrysum is an orchid species identified by Rchb.f. in 1850. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Gomesa flexuosa.
Genus
Oncidium (Onc.)
Grex
haematochrysum
Parents
Species
Author
Rchb.f.
Year
1850
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ORIGIN: Found in Para, Pernambuco, Alagoas, Bahia, Espirito Santo, Minas Gerais, Rio de Janeiro, 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.

DESCRIPTION: 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 5' [150 cm] long overall, stout, slightly compressed, dull purple, paniculate with 4 to 10, divaricate, to 12 [30 cm] long, ascending, zig-zag branches with to 10 flowers each, each branch can rebranch with up to 7 secondary branches, many flowered inflorescence with narrowly triangular, green with patches of brown and minute purple brown spots, very short, acute floral bracts and carrying many small flowers.

FLOWER SIZE: From 3/4 to 1 1/2 inches [2 to 3 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Gomesa Gom flexuosa 2009 (G.Lodd.) M.W.Chase & N.H.Williams
Add+ Gomesa Gom isoptera 2009 (Lindl.) M.W.Chase & N.H.Williams
Add+ Oncidium Onc flexuosum 1820 (Kunth) Lindl.
Add+ Ampliglossum Amg flexuosum 2006 (G.Lodd.) Campacci
Add+ Ampliglossum Amg isopterum 2006 (Lindl.) Campacci
Add+ Gomesa Gom megaloptera 2009 (Kraenzl.) M.W.Chase & N.H.Williams
Add+ Oncidium Onc haematoxanthum 1855 Rchb.f. ex Lindl.
Add+ Oncidium Onc isopterum 1837 Lindl.
Add+ Oncidium Onc megalopterum 1922 Kraenzl. in H.G.A.Engler (ed.)
Add+ Coppensia Cpp flexuosa 2006 (G.Lodd.) Campacci
Add+ Coppensia Cpp isoptera 2006 (Lindl.) Campacci
Most awarded/recent cultivars: Onc. flexuosum 'Golden Trident' (2 awards from 1997 to 1999) Onc. flexuosum 'Alexandra' (2009) Onc. flexuosum 'Santa Barbara' (1997)
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