Lianas to 6 m, pubescent when young, glabrescent. Petiole 1-3.5 cm; leaf blade green, usually bluish when dry, ovate-oblong or elliptic, 4-13 × 1.5-7 cm, base rounded or cuneate, apex acute to acuminate; lateral veins 3-5 pairs, abaxially prominent. Inflorescences much shorter than leaves, with short thick rachis covered with pedicel scars; peduncle 0.8-1.5 cm. Pedicel 2-5 mm, pubescent. Sepals ovate, pubescent; glands absent. Corolla greenish white, urceolate; tube globose, ca. 5 × 4 mm, interior with a brush of yellowish hairs at throat and 5 narrow double longitudinal hair bands. Corona lobes oblong-ovate, shorter than anther appendages. Pollinia small, oblong, caudicles long. Stigma head short conical, base ringlike, dilated. Follicles lanceolate in outline, 5-7 cm × 6-10 mm, long acute, glabrous to pilose. Seeds ovate, 8-10 × 4-5 mm; coma to 4 cm. Fl. Sep-Oct, fr. Oct-Dec.
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A thin climber. The leaves are opposite. They are oval. The leaves are 4-9 cm long and 1.5-4.5 cm wide. The leaf stalk is hairy. It is 1-2 cm long. The flowers occur as a cluster of short stalked flowers. These occur in the axils of leaves. They are 1.5 cm long. The flowers are bell-shaped. They are 3-4 mm long. They are white. The many seeded dry fruit is dagger shaped. They are 5 cm long by 6 mm wide. The seeds have a beak. They are 8 mm long by 3-4 mm wide.
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