Pendent or repent epiphytic herbs up to about 70 cm. long. Stems slender, branched, covered with the leaf-sheaths or becoming naked. Leaves 1.5-5 cm. long and 0.3-0.9 cm. broad, linear-ligulate to elliptic-oblong, obtuse and with the apex obscurely and unequally bilobed. Inflorescence a short terminal subfractiflex raceme of 2-8 flowers; bracts 4-7 mm. long, chartaceous, cucullate, acute. Dorsal sepal 7-10 mm. long and 1.5-3 mm. broad, lanceolate, acute. Lateral sepals 6.5-9 mm. long and 2.5-3 mm. broad, lanceolate to ovate-lanceolate, acute, oblique. Petals 5-10 mm. long and 0.7-1.5 mm. broad, linear to elliptic-linear, acute. Lip unguiculate; the claw short, adnate to the column; lamina 5-8 mm. long, and when expanded about as broad, 3-lobed but obscurely so, the lateral lobes erect, rounded, enfolding the short column, mid-lobe lanceolate or narrowly triangular, acute or acuminate, fleshy, and the apex subterete; disc provided with a small cucullate callus under the apex of the column which is entire or tridentate at the apex. Column provided with a horn-like process at its apex.
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