A pendent or scandent epiphyte with sigmoid stems 15–25 cm. long, 3 mm. in diameter. Leaves ligulate-oblanceolate, unequally obliquely roundly bilobed at the apex, 10–15.7 cm. long, 1.3–2.1 cm. wide, twisted at the base and articulated to leaf-sheaths 1.5–2 cm. long. Inflorescences 1–several, 3–7 cm. long, 3–4-flowered; peduncle 2.2–2.8 cm. long; bracts ovate, acuminate, 4–5 mm. long. Flowers white; pedicel and ovary 12–13 mm. long, emerging 4–6 mm. above the axil of the bract. Sepals lanceolate, acute or acuminate, 9–14 mm. long, 2–4.7 mm. wide. Petals obliquely lanceolate, acute, 9–11.2 mm. long, 2–3.9 mm. wide. Lip concave, lanceolate, acuminate, 8–10.5 mm. long, 4–5.7 mm. wide, with a longitudinal linear callus in the basal part of the lip; spur cylindrical, slightly dilated at the base and apex, 18–24 mm. long. Column 1.5–1.7 mm. long.
HAB. In rain-forest; 1500–1600 m.
Uganda Impenetrable Forest, Apr. 1948, Purseglove 2668!
in E.J. 38: 19 (1905).