An epiphyte with an elongate, slender, pendent stem up to 50 cm. long, 2–6.5 mm. diameter.. Leaves up to 22, distichous, twisted at base to lie in one plane, ovate-elliptic, acute, to an unequally bilobed apex, 6.5–17 cm. long, 1.1–3.1 cm. wide, articulated at base to a longitudinally ridged sheathing base 10–25 mm. long.. Inflorescences all along upper part of stem, 4–22 cm. long, up,to twice length of leaf, up to 25-flowered; peduncle short, ± 5 mm. long, covered in sheathing bracts; bracts amplexicaul, conical, 1–1.5 mm. long.. Flowers whitish; pedicel and ovary 2–5 mm. long.. Dorsal sepal oblong-lanceolate or triangular, acute, 2.5–7 mm. long, 1.2–2.4 mm. wide; lateral sepals broadly triangular, 2.5–6.5 mm. long, 1–2.8 mm. wide.. Petals lanceolate to ovate, 2.5–6 mm. long, 0.6–2 mm. wide.. Lip pandurate, retuse to apiculate, 3–7 mm. long, 2.6–6 mm. wide, with a tooth in the mouth of the spur.. Spur inflated, 3–7.3 mm. long.. Column 1.5–2 mm. long; stipites 2; viscidium 1.. Fruit ellipsoidal, 6–16 mm. long.
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