An erect or pendent epiphyte with a stem up to 7 cm. long.. Roots occasionally branching, 1.5–3 mm. in diameter.. Leaves 5–10 in a fan, linear or tapering, acuminate at the unequally bilobed apex, 15–100 cm. long, 0.7–0.9 cm. wide, articulated to elongated imbricate leaf-bases 2–2.5 cm. long.. Inflorescences capitate, densely many-flowered, up to 2 cm. long; bracts elliptic-lanceolate, acute, 2–3 mm. long.. Flowers white; pedicel and ovary 7–9 mm. long.. Dorsal sepal elliptic or oblong-elliptic, obtuse, 2–3.8 mm. long, 1.2–2 mm. wide; lateral sepals obliquely elliptic, obtuse, 2.5–4.7 mm. long, 1.3–2.6 mm. wide.. Petals obliquely oblong-elliptic, obtuse, 2–4.1 mm. long, 0.6–1.4 mm. wide.. Lip obscurely concave, 3-lobed, 4.5–6.2 mm. long, 3.4 mm. wide; side lobes obscure, elliptic, rounded; mid-lobe ovate, obtuse, with undulate margins.. Spur S-shaped, swollen at the apex and base, 3.2–6.2 mm. long.. Column 1.5–2.4 mm. long; stipes 1, oblanceolate, bifid at apex; viscidium 1, lanceolate.
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Lip with green markings in throat.
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