Small, densely caespitose, epiphytic herbs up to about 2.5 dm. tall, usually less! Stems covered with the subequitant bases of the leaves. Leaves 1-3.5 cm. long, laterally compressed, approximate, spreading, cultriform, and the sheathing base subequitant, 5-10 mm. broad. Inflorescence composed of several flowers borne in the axils of the upper (sheath-like) leaves; flowers inconspicuous, greenish-yellow or green. Dorsal sepal 6-7 mm. long and about 3 mm. broad, broadly lanceolate, acute, cucullate. Lateral sepals 6-8 mm. long and 2-3 mm. broad, cucullate, arcuate, lanceolate, prominently keeled along the mid-nerve dorsally, the keel usually denticulate. Petals 4-7 mm. long and 0.5-1 mm. broad, linear, obtuse, slightly arcuate. Lip 5-7 mm. long, unguiculate; claw adnate to the column; lamina 4-5 mm. long and as broad, cordate-orbicular to subquadrate, obtuse, often with a short apicule, mid-nerve callus-thickened.
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