Small, caespitose, epiphytic herbs up to about 21 cm. tall. Secondary stems up to about 11 cm. long, slender, with 1-2 loose chartaceous sheaths toward the base, naked above. Leaves 9-10 cm. long and 3.6-3.9 cm. broad, lanceolate-cordate, acuminate, coriaceous. Inflorescence a (-few?)-flowered fascicle subtended by a chartaceous sheath about 1-1.5 cm. long, much shorter than the leaves. Flowers very large for the group, yellowish with the dorsal sepal tinged with dark red, lip deep orange. Dorsal sepal about 20 mm. long and 12.5 mm. broad, oblong-oval, obtuse, with 7-9 principal nerves, strongly cucullate. Lateral sepals connate to their apices, about 18 mm. long aid 10 mm. broad, ovate, acute, with 7-9 prin-cipal nerves. Petals about 13 mm. long and 2.5 mm. broad, linear-oblong, acute, arcuate, subauriculate on the posterior margin at the base, entire, 3-nerved at the base, the posterior nerve short, the anterior nerve branched near the base, hence the apical part of the petal 3-nerved. Lip unguiculate; lamina about 6 mm. long and 5.5 mm. broad, suborbicular-cordate, obtuse, callus thickened along the basal sinus and below the subapiculate apex, 3-nerved; claw about 2 mm. long, oblong.
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