Epiphytic herbs with ovoid, ridged pseudobulbs 2.5-4.5 cm. long and 1.8-2.5 cm. wide, bearing at the apex a single elliptic-lanceolate, plicate, acute or acumi-nate leaf 25-40 cm. long and 4-10 cm. wide. Inflorescences arching or pendent racemes 28-32 cm. long, from the base of the pseudobulbs, the rachis minutely pubescent. Flowers many, membranaceous, relatively large, on elongate pubescent pedicels. Sepals subequal, spreading or reflexed, concave, pale translucent yellow spotted red, the dorsal sepal free, lanceolate-acuminate, 17-25 mm. long and 6-8 mm. wide when spread out, laterals somewhat obliquely lanceolate, acuminate, connate at the base, 18-24 mm. long and 6-8 mm. wide. Petals narrowly ob-lanceolate, with slender substipitate bases, pale translucent yellow spotted red, 18-24 mm. long and 2.5-3 mm. wide. Lip with a 3-lobed basal claw or hypochile adnate to the base of the column, white spotted red, 7-9 mm. long, the lateral lobes auriculate-obtuse or subfalcate, acute, erect; the apex of the hypochile with a cen-tral, densely pubescent, carinate projection; epichile obscurely 3-lobed, white spotted purple, ovate, acuminate, lateral lobes subauriculate and spreading; the base of the epichile inserted about midway on the under-surface of the hypochile, producing the effect of a double lip, one slightly above and behind the other; disk densely pubescent. Column slender, green, footless, arcuate, terete below, dilated and truncate above, 1.8-2.2 cm. long. Anther purple.