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3 plants cultivated by members of ORCHIDS.ORG.
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Orchid Species: Oncidium macrorhynchum

Kew currently accepted name is Oncidium cheirophorum

Oncidium macrorhynchum is an orchid species identified by Kraenzl. in H.G.A.Engler (ed.) in 1922. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Oncidium cheirophorum.
Genus
Oncidium (Onc.)
Grex
macrorhynchum
Parents
Species
Author
Kraenzl. in H.G.A.Engler (ed.)
Year
1922
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ORIGIN: Found from Nicaragua to Colombia as a dwarf, cool to cold growing epiphyte in lower montane rainforests at elevations of 1000 to 2500 meters often in full sun on larger branches.

DESCRIPTION: Found from Nicaragua to Colombia as a dwarf, cool to cold growing epiphyte in lower montane rainforests at elevations of 1000 to 2500 meters often in full sun on larger branches with smooth, lightly brown stained, pyriform, laterally compressed pseudobulbs with a single apical, thin, elliptic-lanceolate leaf that blooms in the fall and winter on a slender, erect to arching, to 12 [30 cm] long, densely many flowered panicle arising on a mature pseudobulb that has triangular bracts with fragrant, waxy flowers.

FLOWER SIZE: Less than 3/4 inch [less than 1.5 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 cheirophorum 1852 Rchb.f.
Add+ Oncidium Onc dielsianum 1922 Kraenzl. in H.G.A.Engler (ed.)
Add+ Oncidium Onc exauriculatum 1992 (Hamer & Garay) R.Jiménez
Most awarded/recent cultivars: Onc. cheirophorum 'Kyle' (4 awards from 1999 to 2006) Onc. cheirophorum 'Herrenhausen' (3 awards in 2013) Onc. cheirophorum 'Rönne' (2 awards in 2014) Onc. cheirophorum 'Patricia' (2016) Onc. cheirophorum 'Treneith' (2016) Onc. cheirophorum 'Marburg' (2013) Onc. cheirophorum 'Deggendorf' (2011) Onc. cheirophorum 'Lenny and Bobbie' (2008) Onc. cheirophorum 'Popcorn' (2008) Onc. cheirophorum 'Gerli' (2005) Onc. cheirophorum 'Woodstream' (2002) Onc. cheirophorum 'Free Spirit' (2002) Onc. cheirophorum 'Michael' (2002) Onc. cheirophorum 'Merry's Gold' (1980) Onc. cheirophorum 'Melemele' (1966)
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