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Orchid Species: Oncidium mandibulare

Kew currently accepted name is Cyrtochilum divaricatum

Oncidium mandibulare is an orchid species identified by Linden & Rchb.f. in 1854. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Cyrtochilum divaricatum.
Genus
Oncidium (Onc.)
Grex
mandibulare
Parents
Species
Author
Linden & Rchb.f.
Year
1854
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ORIGIN: Found in Venezuela, Colombia and Peru in dense thickets and brambles in thin soil on large boulders at elevations of 1900 to 2700 meters.

DESCRIPTION: Medium sized, cold growing epiphyte or terrestrial with a climbing rhizome giving rise to green, wrinkled, strongly compressed, ovoid pseudobulbs enveloped basally by several persistent, leaf bearing sheaths and carrying 2 to 3, apical, strap-shaped, sharply acute, tightly conduplicate below into the short, petiolate base leaves that blooms in the winter on an axillary, to 79 [to 200 cm] long, long pdunculate, many [to 50] flowered, paniculate inflorescence with somewhat short branches that can rebranch and can carry up to 8 flowers on each.

FLOWER SIZE: 1 inch [2.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Cyrtochilum Cyr divaricatum 2001 (Lindl.) Dalström
Add+ Odontoglossum Odm divaricatum 1846 Lindl.
Add+ Cyrtochilum Cyr costatum 1917 (Lindl.) Kraenzl.
Add+ Cyrtochilum Cyr mandibulare 1917 (Linden & Rchb.f.) Kraenzl.
Add+ Cyrtochilum Cyr refractum 1917 (Rchb.f.) Kraenzl.
Add+ Odontoglossum Odm costatum 1852 Lindl.
Add+ Oncidium Onc costatum 1854 (Lindl.) Beer
Add+ Oncidium Onc refractum 1854 Rchb.f.
Most awarded/recent cultivars: Cyr. divaricatum 'Strub' (3 awards from 2012 to 2016) Cyr. divaricatum 'Tenshy' (2016) Cyr. divaricatum 'Wilson's Choice' (2011)
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