Oncidium schunkeanum Campacci & Cath. 1991 SECTION Paucituberculata Photo by © Americo Docha Neto , courtesy © Orchidstudium
Common Name Schunk's Oncidium [Brazilian Discoverer of species current]
Flower Size .6" [1.5 cm]
Found in Epiritu Santo Brazil in the coastal Atlantic forest at elevations of 500 to 1000 meters as a mini-miniature sized, warm to cool growing epiphyte with orbicular, slightly compressed pseudobulbs carrying 1 to 2, marbled, light green, oval, slightly concave, upcurved marginally, acute, gradually tapering below into the shortly conduplicate base leaves that blooms in the spring on an arching, basal, racemose in younger plants, paniculate in mature, 8 to 12" [20 to 30 cm] long, many flowered inflorescence arising on a mature pseudobulb and holding the simultaneously opening, faintly fragrant flowers in the upper 2/3`s.
Similar to O harrisonianum but differs in smaller flowers and the two lateral shell calli while O harrisonianum has larger flowers and 5 curved horns.
Synonyms Grandiphyllum schunkianum (Campacci & Cath.) Campacci 2006
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Orchidacearum Brasilense I Plate 086 Castro Neto & Campacci 2000 drwawing ok; Orchid Species Culture, Odontoglossum/Oncidium Alliance Bakers 2006; Oncidium Vol 3 Koniger 2007 photo/drawing fide