Woody vine; latex white. Roots fibrous. Indumentum colourless to pale yellow. Leaves with petiole 7–26 mm long; lamina lanceolate-ovate, elliptic or ovate, to 9 cm long, to 5 cm wide, weakly cordate, cuneate or rounded at base, acute to acuminate, with sparse to dense trichomes below, not triveined at base; venation prominent below; colleters 2–4. Inflorescences umbelliform. Flowers 3–5 mm long, 2.5–3 mm diam.; pedicels 2–5 mm long. Corolla campanulate, cream; tube 1.5–2 mm long, 2.5–2.8 mm diam.; lobes lanceolate-ovate to oblong, 1.2–1.5 mm long, c. 1 mm wide, internally glabrous or with sparse trichomes. Corolline corona comprising 5 ridges, each terminating in an apical lobe arching over staminal column. Staminal corona much reduced, comprising 5 minute, rounded lobes much shorter than staminal column, entire, adnate at base; lobes c. 0.1 mm long, c. 0.1 mm wide. Anther appendages triangular. Style-head conical-globose. Pollinia oblong, 0.12–0.17 mm long. Follicles fusiform-ovoid, 2.5–5 cm long.
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