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Oncidium isthmi Narrow Oncidium

 

Narrow Oncidium, Oncidium isthmii

http://www.orchidspecies.com/

Oncidium isthmi Schltr. 1922 SECTION Oblongata Photos courtesy of Lourens Grobler

Faint,  Fragrance, Part shade, Hot to Cool Fall

Common Name The Narrow Oncidium [refers to the narrow mid lip]

Flower Size 1" [2.5 cm]

Found in Panama and Costa Rica in lowland tropical rainforests at elevations of sealevel to 1500 meters, as a medium size, hot to cool growing epiphyte with clusters of compressed, ridged, oblong-ovoid pseudobulbs subtended by foliaceous bracts . The 2, long, acute, elliptic-lanceolate leaves are carried at the top of the pseudobulb. The erect to arching, 4' [120 cm] long, branching panicle with to 20, short, spreading branches each carrying 3 to 7 flowers and arises from a mature pseudobulb that bears many, faintly scented, yellow flowers with brown markings. The orchid blooms in the fall on a long paniculate, many flowered inflorescence with scarious bracts, under cool to hot conditions as it is found at elevations of sea level to 1500 meters, needs year round watering, with a slight reduction in winter.

 

 

 

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