Cyr. macranthum 'Pacifica' photo by Eric Hunt

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Orchid Species: Cyrtochilum macranthum

(This name is currently accepted by Kew.)

Cyrtochilum macranthum is an orchid species identified by (Lindl.) Kraenzl. in 1917.
Genus
Cyrtochilum (Cyr.)
Grex
macranthum
(name currently accepted by Kew)
Parents
Species
Author
(Lindl.) Kraenzl.
Year
1917
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ORIGIN: From Colombia, Peru and Ecuador that is found in montane cloud forests at elevations up to 3000 meters.

DESCRIPTION: A cold growing, large sized, caespitose epiphyte with ovoid to conical, slightly compressed pseudobulbs enveloped basally by 3 to 4 imbricating sheaths and carrying 2 apical, linear-oblong to oblanceolate, acute leaves and blooms in the fall through spring on an axillary, stout, woody, to about 12' [360 cm] long overall, ascending to arcuate, long, paniculate, each 12 [30 cm] long branch 2 to 5 flowered, up to 70 flowered inflorescence arising on a just mature pseudobulb through the axil of the basal sheath carrying showy, long-lasting flowers.

FLOWER SIZE: To more than 4, largest in genus inches [to more than 10 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 macranthum 1833 Lindl.
Add+ Cyrtochilum Cyr carrutherianum 1922 F.Lehm. & Kraenzl. in H.G.A.Engler (ed.)
Add+ Cyrtochilum Cyr hastiferum 1917 (Rchb.f. & Warsz.) Kraenzl.
Add+ Oncidium Onc hastiferum 1854 Rchb.f. & Warsz.
Most awarded/recent cultivars: Cyr. macranthum 'Jardin botanique de Montréal' (2018) Cyr. macranthum 'Monster' (2017) Cyr. macranthum 'Andrea Niessen' (2014) Cyr. macranthum 'Marsh Hollow Magic' (2014) Cyr. macranthum 'Marsh Hollow Jewel' (2014) Cyr. macranthum h.v. nanum 'Alfons' (2013) Cyr. macranthum 'Golden Sunrise' (2013) Cyr. macranthum 'Golden Sunset' (2013) Cyr. macranthum 'Rustic Sunrise' (2012) Cyr. macranthum 'BUSTER' (2012) Cyr. macranthum 'Rustic Perfection' (2012) Cyr. macranthum 'George Norris' (2011) Cyr. macranthum h.v. nanum 'Solar Place' (2006) Cyr. macranthum 'Pacifica' (2005) Cyr. macranthum 'Golden Globe' (2005) Onc. macranthum h.v. nanum 'Memoria Henry Ho Hur' (2004) Onc. macranthum 'Pacific Gold' (2004) Onc. macranthum h.v. nanum 'Full Moon' (2003) Onc. macranthum 'Rustic Seven' (2002) Onc. macranthum 'Rio Verde' (2002)
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