Robust epiphytic herbs with ovoid or subconic, somewhat laterally compressed, more or less furrowed pseudobulbs 8-10 cm. long and 6-8 cm. wide, the apex with 3-4 broad, oblanceolate, plicate, acute leaves 30-45 cm. long. Inflorescences elongate, pendulous racemes from the base of the pseudobulbs. Flowers many, fleshy, not fully expanding, subglobose, relatively large and conspicuous. Sepals fleshy, free, not spreading, yellow, concave, dorsal sepal oblong-ovate, obtuse, 2.5-3.5 cm. long and 2-2.7 cm. wide, laterals elliptic-ovate, shortly and broadly acute, 2.5-3.5 cm. long and 2-2.8 cm. wide. Petals membranaceous, obovate, acute, yellow, spotted red particularly toward the base or on the margins, 3-3.2 cm. long and 1.8-2 cm. wide. Lip very fleshy, 3-lobed, 2.5-3 cm. long and 2.5-3 cm. broad when spread out, yellow spotted red-brown, the basal claw or hypochile broadly concave or subsaccate, terminating in a short, erect, fleshy horn; lateral lobes erect, subreniform; apical lobe short, concave or spreading, subquadrate or rhombic-obovate, acute, 8-12 mm. long and 8-12 mm. wide; disk with a broad, erect, prominent callus with 2 small, lateral, subfalcate wings, the projecting carinate, apical margin with short fleshy teeth. Column stout, pubescent, 2-2.2 cm. long, the base semiterete, the apex with narrow lateral wings.
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