Epiphytic herbs with ovoid-ellipsoid, somewhat laterally compressed pseudo-bulbs 3.5-5 cm. long and 1.5-2.5 cm. wide, enveloped at the base in several coarsely fibrous, imbricating sheaths; apex of the pseudobulbs (during the growing season)-with 1-3 plicate, elliptic-lanceolate leaves which are ultimately deciduous, the old pseudobulbs armed at the apex with 2 sharp spines; roots fibrous, lanuginose. Inflorescences 1 to several erect, filiform scapes less than 8 cm. tall, produced from the base of the current pseudobulb after the leaves have fallen. Flowers pseudocampanulate, more or less nodding, the smallest of the genus in Panama. Sepals subequal, membranaceous, green, the dorsal sepal ovate-elliptic, acute, about 1.8 cm. long and 1 cm. wide when spread out, laterals adnate to the foot of the column, forming a short conical mentum, from the oblique base oblong-ovate, acute, 1.8 cm. long and about 1 cm. wide. Petals elliptic-ovate, obtuse, abruptly apiculate, yellowish green, about 1.5 cm. long and 1 cm. wide. Lip 3-lobed, contracted at the base and articulated with the foot of the column, yellow, about 1.6 cm. long and .9-1.0 cm. wide when spread out, lateral lobes erect and somewhat incurved, the apices rather obliquely acute, mid-lobe ovate, subacute, with a recurved apicule; disk between the lateral lobes with a concave oblong-obtuse callus. Column short, stout, semiterete, somewhat arcuate, about 6-8 mm. long; obscurely puberulent on the under-surface, produced at the base into a foot.
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