Oncidium tigratum Rchb.f. & Warsz. 1854 SECTION Heterantha

Inflorescence Photos by Karl Senghas and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

LATER through

Common Name The Tiger-Like Oncidium

Flower Size .6" [1.5 cm]

Found in Venezuela, Colombia, Ecuador and Peru in cloud forests at elevations of 2000 to 2500 meters as a small to medium sized, cold growing epiphyte or terrestrial on roadbanks with closely spaced, ovate to pear shaped, laterally compressed, sometimes ancipitous, longitudinally grooved with age, rough skinned because of microscopic pimple-like projections, dull green overall with a purple suffusion apically pseudobulbs enveloped basally by sheaths with one or 2 being leaf-bearing and carrying 2, apical, erect, narrowly lanceolate, sharply sulcate midvein, carinate, obtuse, narrowing and becoming conduplicate towards the base leaves that blooms in the fall, later winter and spring on an erect, axillary, thin, strong, terete, paniculate, shortly downward branched, each 1.4" [3.5 cm] long, well spaced branch has 3 fertile flowers and an occasional aborted flower to 16" [40 cm] long, many flowered inflorescence.

Synonyms Heteranthocidium tigratum (Rchb.f. & Warsz.) Szlach., Mytnik & Romowicz 2006

References W3 Tropicos, Kew Monocot list , IPNI ; Das Pflanzanreich Regni Vegetabilis Conspectus Odontoglossum/Oncidium Kranzlin 1922 drawing ok; Orchids of Peru Vol 4 Schweinfurth 1961; Venezuelan Orchids Illustrated Vol 5 Dunsterville & Garay 1966 drawing fide; Rudolf Schlechter Die Orchideen Lieferung 33-6 1997 drawing good/photo ok; Orchid Species Culture Oncidium/Odontoglossum Alliance Bakers 2006

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