Oncidium forbesii Hook. 1839 SECTION Crispa Photo courtesy of Lourens Grobler

Flower Closeup Photo courtesy of Carlos Keller

Another Clone

Another Angle Photo courtesy of Jay Pfahl

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Common Name Forbes' Oncidium [English Orchid Collector 1800's]

Flower Size to 2 1/2" [6 cm]

Found in Minas Gerais, Espiritu Santo, Rio de Janiero, and Sao Paulo at elevations of 50 to 1200 meters as a small to medium sized, epiphytic species from the southeast Atlantic forest that grows warm to cool and has oblong or elliptic-ovoid, compressed pseudobulbs carrying a single, or rarely 2 apical, lanceolate or oblong-ligulate, coriaceous, acute to mucronate leaves and blooms in the fall on an erect or nodding, to 40"' [100 cm] long, simple or paniculate inflorescence with membranous, triangular, acute bracts.

Very similar to O crispum but differs in having entire column wings and rich chestnut brown flowers that have the margins yellow marbled.

Synonyms Anettea forbesii (Hook.) Szlach. & Mytnik 2006; Brasilidium forbesii (Hook.) Campacci 2006; Gomesa forbesii (Hook.) M.W.Chase & N.H.Williams 2009; Oncidium crispum var. forbesii Burb. 1882; Oncidium cripum var marginatum Hort. ?; Oncidium forbesii Hkr var atratum Linden 1902; Oncidium forbesii Hkr var borwickianum Rchb.f 1879; Oncidium forbesii Hkr var bradshawae Hort. 1902; Oncidium forbesii Hkr var castanea Lindl. 1899; Oncidium forbesii Hkr var marginatum Hort. 1886; Oncidium forbesii Hkr var maximum Linden & Rodig 1888; Oncidium forbesii Hkr var measursianuim Krzl. 1891; Oncidium forbesii Hkr var moortebeekiense Linden 1899; Oncidium forbesii Hkr var nigricans Linden 1899; Oncidium forbesii Hkr var splendens Hort. 1888

References W3 Tropicos, Kew Monocot list IPNI ; Die Orchideen Schlechter 1915 photo ok; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchid Digest Vol 44 No 2 1980 photo fide; Orchid Digest Vol 46 No 3 1982 photo fide; AOS Bulletin Vol 56 No 5 1987 photo; Orchids of the High Mountain Atlantic Rainforest in SE Brazil Warren & Miller 1994; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997; Australian Orchid Review Vol 66 No 2 2001 photo; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 1 Koniger 2004; The Pictoral Encyclopedia of Oncidium Zelenko 2002; Orchids of Brazil Vol 1 Oncidinae Baptista, Harding & Neto 2011 as Brasilidium forbesii photo fide

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