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Orchid Species: Oncidium marshallianum

Kew currently accepted name is Gomesa marshalliana

Oncidium marshallianum is an orchid species identified by Rchb.f. in 1866. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Gomesa marshalliana.
Genus
Oncidium (Onc.)
Grex
marshallianum
(traditional Sander nomenclature)
Parents
Species
Author
Rchb.f.
Year
1866
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ORIGIN: A Brazilian, medium sized, cool growing epiphyte or terrestrial on seaward facing mountains in Rio de Janeiro and Minas Gerais states of Brazil as a mid to high tree epiphyte on medium to thick vertical branches at elevations of 1000 to 1500 meters.

DESCRIPTION: A Brazilian, medium sized, cool growing epiphyte or terrestrial on seaward facing mountains in Rio de Janeiro and Minas Gerais states of Brazil as a mid to high tree epiphyte on medium to thick vertical branches at elevations of 1000 to 1500 meters that has clustered, ovoid-oblong, slightly compressed pseudobulbs carrying 2 apical, erect-spreading, rigid, oblong-lanceolate, acute leaves that blooms in the fall on a spreading to arcuate, to more than 5' [180 cm] long, many flowered panicle arising on a newly matured pseudobulb, with rigid, narrowly triangular, very acute bracts and carrying flowers variable in size and color.

FLOWER SIZE: To 3 inches [to 7.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Gomesa Gom marshalliana 2009 (Rchb.f.) M.W.Chase & N.H.Williams
Add+ Anettea Anettea marshalliana 2006 (Rchb.f.) Szlach. & Mytnik
Add+ Brasilidium Bsd marshallianum 2006 (Rchb.f.) Campacci
Most awarded/recent cultivars: Onc. marshallianum 'Spring Beauty' (1983) Onc. marshallianum 'Linnet' (1981) Onc. marshallianum 'Pheasant Hill' (1981) Onc. marshallianum 'Lee' (1972) Onc. marshallianum 'Janet' (1972) Onc. marshallianum 'Marjorie Frances' (1964) Onc. marshallianum 'Belmont' (1962)
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