Caespitose epiphytic herbs up to about 50 cm. tall. Stems pseudobulbose, 8-27 cm. long and about 0.5-2 cm. in diameter, cylindric-fusiform to fusiform, bearing 1-4 leaves at or near the apex. Leaves 10-27 cm. long and 3-7 cm. broad, variable, ligulate, elliptic, oblong-lanceolate, or oblanceolate to oval, obtuse, coriaceous. Inflorescence up to about 60 cm. long, spreading or pendent, simple or paniculate, usually many-flowered, lateral from a short fertile shoot, or rarely terminal on the pseudobulb. Flowers rather pretty, fair-sized. Dorsal sepal 15-18 mm. long and 4-6 mm. broad, elliptic or lanceolate, acute or acuminate. Lateral sepals 14-18 mm. long and 4-6 mm. broad, lanceolate or oblong-lanceolate, strongly oblique, acute or acuminate. Petals 14-18 mm. long and 1.5-4.5 mm. broad, linear, elliptic, linear-oblong to lanceolate, acute., Lip unguiculate; claw adnate to the column; lamina 11-16 mm. long and 13-20 mm. broad, 3-lobed; lateral lobes large, spreading, oblong, oblique, obtuse, entire or crenulate; mid-lobe bilobulate, retuse, transversely oblong in outline, provided with a narrow, often cuneate claw at the base, entire or usually crenulate or serrulate; disc pro-vided with a pair of parallel, short, lamellate calluses, or a single deeply sulcate callus at the base near the apex of the column, and with the median nerve thickened or raised into a low lamella.
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