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2 plants cultivated by members of ORCHIDS.ORG.
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There are currently no photos of plants of Odontoglossum johnsonorum for sale by members of ORCHIDS.ORG. Below are other recent plants for sale:

LAELIA AND MYRMECOPHILA HYBRIDS $25.00 listed by dr adam t cohen sarasota, USA

Paph Love Conquers $30.00 listed by Linda Thorne Seagrove, USA
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Orchid Species: Odontoglossum johnsonorum

Kew currently accepted name is Oncidium maculatum

Odontoglossum johnsonorum is an orchid species identified by L.O.Williams in 1954. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Oncidium maculatum.
Genus
Odontoglossum (Odm.)
Grex
johnsonorum
Parents
Species
Author
L.O.Williams
Year
1954
ORIGIN: Found in Mexico, Guatemala and Honduras in lower wet montane forests as a medium sized, cool growing epiphyte occurring on trees in forests at elevations of 1100 to 2000 meters.

DESCRIPTION: Medium sized, cool growing epiphyte with ovoid, clustered, strongly compressed pseudobulbs, subtended by 2 leafless sheaths, and carrying 2, apical, linear-ligulate to oblong-elliptic, coriaceous leaves that blooms in the winter through early summer on an erect, to 3' 4 [100 cm] long, many flowered, paniculate or racemose inflorescence arising on a mature pseudobulb with long lasting, glossy, fragrant flowers.

FLOWER SIZE: To 2 inches [to 5 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 maculatum 1841 (Lindl.) Lindl.
Add+ Odontoglossum Odm lindleyi 1855 Galeotti ex Lindl.
Add+ Oncidium Onc lintriculus 1922 Kraenzl. in H.G.A.Engler (ed.)
Add+ Oncidium Onc psittacinum 1855 Linden ex Lindl.
Add+ Cyrtochilum Cyr maculatum 1838 Lindl.
Add+ Oncidium Onc johnsonorum 1954 L.O.Williams
Add+ Oncidium Onc sawyeri 1951 L.O.Williams
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