Oncidium massangei C. Morr. 1977 SECTION Excavata Photo by Willibald Koniger

Part shadeCool

Common Name Masasange's Oncidium [Belgian Orchid Enthusiast current]

Flower Size .8" [2 cm]

Found in Antioquia department of Colombia at elevations around 2100 meters as a medium sized, cool growing epiphyte with ovate, srongly laterally compressed, ancipitose pseudobulbs carrying a single, apical, erect, oblong-lanceolate, acute, conduplicate below into the petiolate base leaf that blooms on an axillary, erct to arcuate, peduncle shorter than the rachis, paniculate, rachis 10 to 12 brnached, branches spreading, each branch 3 to 8 flowered, 20 to 24" [50 to 60 cm] long, many flowered inflorescence carrying faintly fragrant flowers.

Similar to O obrazatum in the shape and color of the flowers and O pictum in the shape of the column wings but O massangei differs in the erect inflorescence, the lateral lobes of the lip horizontally spreading, triangular, convex, the isthmus long and narrow, the callus forming a blade in the basal half and flat above, keel-like enlarged on the lateral margins, and there slightly gibbous, the callus with a large triangular tooth in front, and the very narrow column wings that are enlarged into erect, triangular lobules above.


References W3 Tropicos, Kew Monocot list , IPNI ; Oncidium Vol 3 Koniger 2007 drawing/photo fide;