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Oncidium marshallianum Marshall's Oncidium


Marshall's Oncidium, Oncidium marshallianum


Oncidium marshallianum Rchb. f. 1866 SECTION Crispa Photo by Lourens Grobler

Common Name Marshall's Oncidium [English Orchid Enthusiast 1800's]

Flower Size to 3" [to 7.5 cm]

A Brazilian, medium sized, cool growing epiphyte or terrestrial on seaward facing mountains in Rio de Janiero and Minas Gerais states 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 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 occuring in the spring.

Synonyms Anettea marshalliana (Rchb.f.) Szlach. & Mytnik 2006; Brasilidium marshallianum (Rchb.f.) Campacci 2006; Gomesa marshalliana (Rchb.f.) M.W.Chase & N.H.Williams, Ann. Bot. (Oxford) 104: 397 (2009