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There are currently no photos of plants of Oncidium onustum 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 onustum

Kew currently accepted name is Zelenkoa onusta

Oncidium onustum is an orchid species identified by Lindl. in 1833. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Zelenkoa onusta.
Genus
Oncidium (Onc.)
Grex
onustum
(traditional Sander nomenclature)
Parents
Species
Author
Lindl.
Year
1833
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ORIGIN: This species is found from Panama, Colombia, Ecuador and Peru as a miniature sized, hot to cool growing epiphyte from areas that have a long dry winter and is found at elevations of 25 to 1200 meters.

DESCRIPTION: A miniature sized, hot to cool growing epiphyte. The small, 1 pseudobulbs are conical-ovoid, longitudinally grooved, spaced close together on the rhizome and have a gray green appearance with purple spots, and carrying a single apical, erect, very coriaceous, 4 leaf. The racemose inflorescence is basal, and fairly lax, with few to many, longlasting, non-fragrant flowers that appear in the summer and fall.

FLOWER SIZE: 3/4 inch [2 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Zelenkoa Zel onusta 2001 (Lindl.) M.W.Chase & N.H.Williams
Add+ Oncidium Onc holochrysum 1862 Rchb.f.
Most awarded/recent cultivars: Onc. onustum 'Wendy' (4 awards in 2005) Zel. onusta 'Golden Dawn' (2 awards in 2018) Zel. onusta 'Double D' (2 awards in 2016) Zel. onusta 'Brett' (2 awards in 2014) Zel. onusta 'Herrenhausen' (2 awards in 2012) Zel. onusta 'Cushnie' (2 awards in 2005) Zel. onusta 'Guy Gordon' (2 awards in 2005) Zel. onusta 'Lorna' (2 awards in 2003) Onc. onustum 'Richella' (2 awards in 1994) Onc. onustum 'Mem. James' (2 awards in 1993) Onc. onustum 'Yellow Doll' (2 awards in 1980) Zel. onusta 'Strub' (2016) Zel. onusta 'Tina' (2016) Onc. onustum 'Sue' (2012) Zel. onusta 'Schanz' (2011) Zel. onusta 'Anneliese' (2010) Zel. onusta 'Rob' (2010) Zel. onusta 'Lemon tart' (2006) Onc. onustum 'Joy' (2005) Zel. onusta 'Arbec' (2003)
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