Tall, caespitose, epiphytic herbs up to a meter or more long. Stems up to about 8 mm. in diameter, leafy above, covered with the maculate or verru-cose leaf-sheaths, becoming naked and vernicose with age. Leaves 1.5-9 cm. long and 1-3.5 cm. broad, lanceolate to elliptic-oblong, obtuse or acutish, coriaceous. Inflorescence simple or usually a lax many-flowered panicle. Flowers multicolored and rather pretty. Dorsal sepal 8-12 mm. long and 3.5-4.5 mm. broad, oval to broadly oblanceolate, obtuse-or acutish. Lateral sepals 8-12 mm. long and 3.5-5 mm. broad, oblanceolate to oval, obtuse or acute, oblique. Petals 8-15 mm. long and 5.5-8 mm. broad, obovate or obovate-spatulate, obtuse.-Lip unguiculate; claw adnate to the basal half of the column; lamina 9-15 mm. long and 7.5-12 mm. broad, 3-lobed; the lateral lobes small, oblong, obtuse, explanate; terminal lobe obovate-cuneate, bilobulate or deeply bifid, anterior margins entire to crenu-late; disc provided with 2 small submammillate calluses at the base and with 1-3 longitudinal callus-thickenings.
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