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Oncidium triquetrum Triangular Tolumnia


Triangular Tolumnia , Oncidium triquetrum


Tolumnia triquetra (Sw.) Nir 1994 Photo by Eric Hunt and his Flicker Orchid Photostream

Common Name The Triangular Tolumnia

Flower Size 1/2" to 3/4" [1.2 to 2 cm]

Found in the cockpit country of Jamaica on trees near flowing water in exposed conditions at elevations of 150 to 300 meters as a miniature, fan shaped, warm to cool growing epiphyte with no pseudobulbs yet to 4 or more, linear-ligulate, acute leaves held in a fan shape that blooms on a lateral, erect, to 7" [10 to 18 cm] long, slender, terete, simple or few branched, distally, few to many [5 to 15] flowered inflorescence with longlasting, slightly waxy flowers occuring in the winter and summer. This species likes a cork mount in bright light, heavy humidity and good air movement as well as hot to warm temperatures.

Synonyms *Epidendrum triquetrum Sw. 1788; Cymbidium triquetrum (Sw.) Sw. 1799; Jamaiciella triquetra (Sw.) Braem 1980; Olgasis triquetra (R. Br.) Raf. 1836; Oncidium dubium Andre 1873; Oncidium triquetrum (Sw.) R. Br 1813