Caespitose or repent epiphytic herbs up to 65 cm. tall. Stems slender, covered with the leaf-sheaths or naked with age, simple or branched, bearing leaves mainly toward the apex; leaf-sheaths verrucose or tuberculate. Leaves 2.5-8 cm. long and 0.3-1.5 cm. broad, linear-lanceolate to lanceolate, acute or obtuse. Inflorescence a simple few-to several-flowered raceme exceeding the leaves; flowers small, rose to purple. Dorsal sepal 7-9 mm. long and 2-3 mm. broad, elliptic to ob-lanceolate, obtuse or acute. Lateral sepals 7-10 mm. long and 2-3.5 mm. broad, oblong or oblanceolate, acute, arcuate. Petals 6-9 mm. long and 1-2.3 mm. broad, linear-oblanceolate, obtuse. Lip unguiculate, strongly 3-lobed; claw at the base adnate to the column, free above, fleshy and provided with a raised sulcate and retuse callus reaching to about the lateral lobes; lamina strongly 3-lobed, the mid-lobe strongly bilobed, lateral lobes 2-4 mm. long, explanate, oblong, obtuse; terminal lobe clawed and the two lobules explanate to recurved, the lobules oblong, obtuse or acute. Column provided with a hood-shaped or calyptriform clinandrium.
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