Woody vine; latex colour unknown. Roots not seen. Indumentum yellow-brown. Leaves with petiole 20–30 mm long; lamina elliptic-ovate, to 13 cm long, to 10 cm wide, cordate at base, acute, with scattered to sparse trichomes below, not triveined at base; venation prominent below; colleters 8–15. Inflorescences umbelliform. Flowers c. 10 mm long, c. 17 mm diam.; pedicels c. 4 mm long. Corolla campanulate, cream; tube c. 4 mm long, c. 5 mm diam.; lobes lanceolate-ovate, c. 6.7 mm long, 1.8–2 mm wide, internally glabrous. Corolline corona of 5 ridges, not terminating in apical lobes. Staminal corona of 5 subulate lobes longer than staminal column, entire, adnate for most of length; lobes c. 5 mm long, c. 2 mm wide. Anther appendages ovate. Style-head elongate-rostrate. Pollinia not seen. Follicles fusiform-ovoid, c. 15 cm long.
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