An epiphyte with an elongate, bilaterally compressed stem up to 45 cm. long, 1.5–2 mm. in diameter.. Roots many in lower part of the stem, less than 1 mm. in diameter.. Leaves in 2 ranks, linear-elliptic, unequally acutely bilobed at the apex, 2.7–5 cm. long, 0.4–0.6 cm. wide, twisted at the base to lie in one plane.. Inflorescences 6–7 mm. long, 1–2-flowered; peduncle very short, 1–2 mm. long; bracts lanceolate, acuminate, 2–4 mm. long.. Flowers greenish; pedicel and ovary 2–2.5 mm. long.. Sepals lanceolate, acuminate, 4.5–5 mm. long, 0.8–1.6 mm. wide.. Petals lanceolate, acuminate, 4 mm. long, 0.9–1 mm. wide.. Lip concave, ovate, acuminate, 3.6–4 mm. long, 2.7–2.9 mm. wide.. Spur slightly sigmoid, clavate, 1.8–2 cm. long.. Column 0.7–0.8 mm. long.
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