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Oncidium heteranthum Differently Flowered Oncidium


Differently Flowered Oncidium, Oncidium heteranthum


Oncidium heteranthum Poepp. & Endl. 1836 SECTION Heterantha

Common Name The Differently Flowered Oncidium [refers to the normal and sterile flowers of this species]

Flower Size 3/4" [1.8 cm]

Found From Venezuela, Surinam, Northern Brazil, Colombia, Ecuador, Peru and Bolivia at elevations of 200 to 2900 meters as a miniature to medium sized, warm to cold growing epiphyte with closely spaced, somewhat grooved, narrowly ovate, laterally compressed, ancipitous pseudobulbs partially enveloped by a few, basal, short, leaf-bearing sheaths and carrying 1 to 3 apical, lanceolate, acute, shortly conduplicate below into the base leaves that blooms mostly in the summer on a basal, 30 to 47" [75 to 120 cm] long, paniculate, slender, erect to arching to drooping, many flowered inflorescence arising on a mature pseudobulb and carrying both lipless, sterile and normal flowers.

Synonyms Heteranthocidium heteranthum (Poepp. & Endl.) Szlach., Mytnik & Romowicz 2006; Oncidium ionops Cogn. & Rolfe 1893; Oncidium zonatum Cogn 1893