Caespitose epiphytic herbs up to about 4 dm. tall. Secondary stems up to about 3 dm. long, slender, with loose sheaths which soon disintegrate. Leaves 3.5-12 cm. long and 1.3-6 cm. broad, oblong-cordate to ovate-cordate, acuminate, coriaceous. Inflorescence a 1-to few-flowered fascicle, the flowers rather large. Dorsal sepal 9-12 mm. long and 6-9 mm. broad, oblong-ovate to oval, acute or obtuse, larger than the combined laterals. Lateral sepals 9-12.5 mm. long and together 5-8 mm. broad, ovate-lanceolate to broadly ovate, acute or obtuse, con-nate to their tips. Petals 6-8 mm. long and 1.5-2.1 mm. broad, elliptic-linear, acute, ciliate to lacerate-dentate, arcuate. Lip 3.2-4 mm. long and 3-4 mm. broad, triangular to triangular-subquadrate, surface verrucose, base truncate with a submammillate callus in the middle with cavities on either side.
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