Thin Pseudobulbed Oncidium

Found in Costa Rica in deciduous forests at elevations of 800 to 1050 meters as a small sized, hot to warm growing, caespitose epiphyte with elliptic-ovoid to suborbicular, strongly laterally compressed, furrowed when dry pseudobulbs enveloped basally by 2 to 4, imbricate, leaf-bearing sheaths and carrying 1 to 2 [3], apical, sessile to shortly petiolate, strongly carinate abaxially, elliptic to obovate, obtuse, coriaceous, conduplicate towards the base leaves that blooms in the fall and spring on a lateral, erect to arcuate, paniculate, longer than the leaf, 20 to 32" [50 to 80 cm] long, fractiflex, 2 to 5 flowered per branch, several to many flowered inflorescence.