Dwarf epiphytic herbs. Pseudobulbs ovate, somewhat angulate, 1.5-3 cm. tall and 1.0-1.5 cm. wide, sheathed at the base in 2-3 papery bracts, the apex with a single lanceolate or elliptic-lanceolate, acute or shortly acuminate, plicate, subcoriaceous leaf 8-25 cm. long and 1.5-3.2 cm. wide. Inflorescences short, pendent racemes produced from the base of the pseudobulbs. Flowers about 6 or fewer. Sepals subequal, free, spreading, pale lemon-yellow, dorsal sepal concave, elliptic-lanceolate, acute, 10-17 mm. long and 4-8 mm. wide; laterals concave, elliptic-lanceolate, acute, 12-17 mm. long and 4-8 mm. wide. Petals orange, lanceolate, acute, 10-15 mm. long and 3-6 mm. wide. Lip ovate or obovate-rhombic when spread out, 8-11 mm. long and 6-10 mm. wide, orange with reddish purple spots, subnavicular, the lateral margins erect, the apex acute and spreading; disk with 3 prominent or obscure, erect keels, the central keel prolonged and terminating in an inconspicuous 2-lobed scale. Column somewhat arcuate, 6-8 mm. long, green, broadly winged, the wings orange.
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