An erect to spreading epiphyte with a short stem 2–4 cm. long.. Roots very long, little branching, 1.5–3 mm. in diameter.. Leaves 3–10, coriaceous, linear, unequally roundly bilobed at the apex, 13.5–35 cm. long, 0.6–0.8 cm. wide, articulated at the base to acutely angled imbricate leaf-bases 1.5–2 cm. long.. Inflorescences densely 3–6-flowered, up to 3.5 cm. long; bracts papery, elliptic, obtuse, 8–14 mm. long, 6–7 mm. wide.. Flowers white with a green mark on the lip; pedicel and ovary 10–15 mm. long, slightly furfuraceous.. Dorsal sepal lanceolate, acute, 15–17 mm. long, 5–6 mm. wide; lateral sepals lanceolate to elliptic-lanceolate, acute or obtuse, 12.5–16 mm. long, 4.5–6 mm. wide.. Petals oblong, obtuse, 12–16 mm. long, 4–5 mm. wide.. Lip ovate, subacute to obtuse, 13–16 mm. long, 8–9 mm. wide.. Spur inflated in the basal half from a broad mouth, geniculate towards the apex, recurved and swollen at the apex, 9 mm. long.. Column 6–7 mm. long; stipes divided in upper part; viscidium lanceolate, very large, 8 mm. long.. Fig. 146/13–23.
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