Onc. heteranthum photo by Ecuagenera (Jose Portilla)

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Orchid Species: Oncidium heteranthum

(This name is currently accepted by Kew.)

Oncidium heteranthum is an orchid species identified by Poepp. & Endl. in 1836.
Genus
Oncidium (Onc.)
Grex
heteranthum
(name currently accepted by Kew)
Parents
Species
Author
Poepp. & Endl.
Year
1836
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ORIGIN: Found from Venezuela, Surinam, northern Brazil, Colombia, Ecuador, Peru and Bolivia at elevations of 200 to 2900 meters.

DESCRIPTION: Miniature to medium sized, warm to cold growing epiphyte with closely spaced, somewhat grooved, narrowly ovate, laterally compressed, ancipitous pseudobulbs partially enveloped by a few, basal, short, leaf-bearing sheaths and carrying 1 to 3 apical, lanceolate, acute, shortly conduplicate below into the base leaves that blooms mostly in the summer on a basal, 30 to 47 [75 to 120 cm] long, paniculate, slender, erect to arching to drooping, many flowered inflorescence arising on a mature pseudobulb and carrying both lipless, sterile and normal lipped flowers.

FLOWER SIZE: 3/4 inch [1.8 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 zonatum 1893 Cogn.
Add+ Heteranthocidium Heteranthocidium heteranthum 2006 (Poepp. & Endl.) Szlach.
Most awarded/recent cultivars: Onc. heteranthum h.f. album 'Regina' (2016) Onc. heteranthum h.f. album 'Empress' (2014) Onc. heteranthum 'Gigi' (2009)
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