Oncidium marshallianum Rchb. f. 1866 SECTION Crispa
Photo by © Lourens Grobler
Photo by © Patricia Harding
Common Name Marshall's Oncidium [English Orchid Enthusiast 1800's]
Flower Size to 3" [to 7.5 cm]
Found in Rio de Janiero and Minas Gerais states of Brazil on seaward facing mountains in as a mid to high tree epiphyte on medium to thick vertical branches as a medium sized, cool growing epiphyte or terrestrial 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.
Synonyms Anettea marshalliana (Rchb.f.) Szlach. & Mytnik 2006; Brasilidium marshallianum (Rchb.f.) Campacci 2006; Gomesa marshalliana (Rchb.f.) M.W.Chase & N.H.Williams 2009
References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 drawing good; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchidaceae Brasilenses Band 2 Pabst & Dungs 1977 drawing fide; Orchid Digest Vol 44 No 2 1980 photo ok; AOS Bulletin Vol 53 No 1 1984 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 drawing/photo fide; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994; Rudolf Schlechter Die Orchideen Band 1C lieferung 33 - 36 2057 - 2308 Brieger 1997 photo fide; Australian Orchid Review Vol 66 No 2 2001 photo; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Oncidium Vol 2 Koniger 2005 drawing/photo fide; Orchid Species Culture: Oncidium, Bakers 2006; AOS Bulletin Vol 86 # 3 2017 drawing fide;
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