Oncidium abruptum Linden & Rchb. f. 1922 SECTION Oncidium Photo by The Ecuagenera Website

Another Flower Photo courtesy of Bill Bergstrom

Another Flower? not 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 swartzii Chiron & Braem 2002

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 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; Orchid Species Culture: Oncidium, Bakers 2006; Oncidium Vol 2 Koniger 2005 drawing/photo fide same as first photo ;

--------------------------------------------------------------------------------------------------------------------------