An epiphytic or lithophytic herb.. Stem short, 0.5–2 cm. long.. Leaves 4–6(–10), ensiform, obtuse, falcate-recurved or straight, upper surface sulcate, 1–4.5 cm. long, 1.5–5 mm. broad.. Inflorescence dense, 2.2–6 cm. long; bracts ovate, acute to acuminate, brown or black, shorter than or longer than flowers, 1–4 mm. long, well-spaced.. Flowers white; pedicel with ovary 2 mm. long.. Tepals oblong, obtuse, 1.1–3 mm. long, 0.7–1.4 mm. broad.. Lip oblong-ligulate, obtuse, slightly sigmoid, 1–5 mm. long, 0.7–1.1 mm. broad.. Spur cylindrical-ellipsoid and inflated or conical and saccate, obtuse, strongly incurved at right-angles to lip or ± straight, 0.5–2 mm. long.. Column 0.5–0.9 mm. long.