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There are currently no photos of plants of Oncidium polychromum for sale by members of ORCHIDS.ORG. Below are other recent plants for sale:

B. perrinii $35.00 listed by Linda Hartman PORT ST LUCIE, USA Local Only

Dendrobium var. Love Memory 'Fizz' $30.00 listed by Eva Boczon Chicago, USA Local Only

BC Makai "Mayumi" listed by Archie McBroom Roan Mountain, Tn, USA
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Orchid Species: Oncidium polychromum

Kew currently accepted name is Oncidium leucochilum

Oncidium polychromum is an orchid species identified by Scheidw. in 1844. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Oncidium leucochilum.
Genus
Oncidium (Onc.)
Grex
polychromum
Parents
Species
Author
Scheidw.
Year
1844
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ORIGIN: This species is a large sized, cool growing epiphyte found on trees in dry or humid forests up to an elevation of 2000 meters from Mexico, Guatemala and Honduras.

DESCRIPTION: This species is a large sized, cool growing epiphyte found on trees in dry or humid forests up to an elevation of 2000 meters from Mexico, Guatemala and Honduras with ovoid to ovoid ellipsoid, compressed, 2 to 3 ribbed on each side pseudobulbs subtended by several scarious sheaths and carrying 2, apical, ligulate, coriaceous, conduplicate at the base, obtuse leaves that blooms sometime in the spring through fall only once with an axillary, 1 to 12' [30 to 360 cm] long, many flowered panicle arising on a mature pseudobulb from the axils of the sheath with 7 to 10, well spaced branches with 2 to 5, variable sized, waxy, longlasting, spicely fragrant flowers each.

FLOWER SIZE: 1 1/4 inch [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+ Oncidium Onc leucochilum 1837 Bateman ex Lindl.
Add+ Oncidium Onc digitatum 1842 Lindl. in G.Bentham
Add+ Cyrtochilum Cyr leucochilum 1849 Planch.
Most awarded/recent cultivars: Onc. leucochilum 'Summit' (2 awards from 1965 to 1984) Onc. leucochilum 'La Jolla' (2009) Onc. leucochilum 'Uschi' (2009) Onc. leucochilum 'Eleanor' (2002) Onc. leucochilum 'Silvia Di Pollina de Palmieri' (2002) Onc. leucochilum 'Mickie's Magic' (1994) Onc. leucochilum 'Jason's Jungle' (1994) Onc. leucochilum 'Prairie' (1994) Onc. leucochilum 'Cypress Creek' (1988) Onc. leucochilum 'Tardes' (1984) Onc. leucochilum 'Olga' (1983) Onc. leucochilum 'Maxine' (1967) Onc. leucochilum 'Kanapaha' (1967) Onc. leucochilum 'Buttonwood' (1964) Onc. leucochilum 'Sumidero' (1964)
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