Densely caespitose epiphytic herbs up to about 3.5 dm. tall, but mostly up to about 1.5 dm. tall in Panama. Stems slender, covered with the leaf-sheaths or partially naked. Leaves 1.5-9 cm. long and 0.1-0.4 cm. broad, subfiliform to linear, acute, obtuse or denticulate at the apex. Inflorescence up to 2.5 cm. long, a short, distichous, obscurely fractiflex raceme; bracts up to about 1.5 cm. long, lanceolate or ovate-lanceolate, acute or acuminate, cucullate, scarious, imbricated. Sepals glabrous or sparsely brown-pubescent dorsally. Dorsal sepal about 3 mm. long and 1 mm. broad, elliptic-lanceolate, cucullate. Lateral sepals 3-3.5 mm. long and 1.2-1.5 mm. broad, ovate-lanceolate, short-acuminate, somewhat arcu-ate. Petals about 3 mm. long and 1-1.2 mm. broad, linear-oblong to oblong-spatulate, obtuse, truncate, obscurely crenulate, arcuate. Lip about 3-3.5 mm. long and 4-5 mm. broad, subquadrate-flabellate to flabellate, truncate, denticulate, gibbous at the base and with 2 lightly attached ovoid calluses, with a short trans-verse callus above the base.
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