Oncidium abruptum Linden & Rchb. f. 1922 SECTION Oncidium
Photo by © Jorge Mario Munera
Photo courtesy of Bill Bergstrom
Photo by © The Ecuagenera Website
Photo courtesy of Eric Hunt
Common Name The Sharp Oncidium
Flower Size 1.2 to 1.6" [3 to 4 cm]
Found in western Colombia and Ecuador at 650 to 1400 meters as a small sized, warm to cool growing epiphyte with narrowly ovate, laterally compressed, ancipitous pseudobulbs carrying oblong, acute, conduplicate below to form a petiole-like base leaves and blooms on a basal, paniculate, 32" to 5' 4" [80 to 160 cm] long, 15 to 20 branched, arcuate to nodding, many flowered, twining and flexuous, inflorescence with widely spaced flowers.
The third photo is incorrect even though it is often sold as O abruptum.
Synonyms Epidendrum altissimum Jacq. 1763; Oncidium abruptum Linden & Rchb. f. 1882 nom nudum; Oncidium jacquinianum Garay & Stacy 1974; Oncidium swartzii Chiron & Braem 2002
References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 drawing good; Flora of the Lesser Antilles Garay & Sweet 1974 as O jacquinianum drawing good; Native Colombian Orchids Vol 3 COS 1991 photo fide same as 1st photo; Native Ecuadorian Orchids Vol 4 Dodson 2003 photo fide same as first photo; Orquideologia Vol. 23 No 2 2004; Oncidium Vol 2 Koniger 2005 drawing/photo fide same as first photo; Orchid Species Culture: Oncidium, Bakers 2006;
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