Lianas glabrous except for flowers. Branches dark brown, branchlets pale gray. Petiole 0.5-1.5 cm; leaf blade narrowly oblong or narrowly ovate, 5-14 X 1-5 cm, leathery, apex obtuse or acute; lateral veins 5-7 pairs. Cymes terminal, 5-15 X 8-9 cm, ca. 20-flowered. Sepals ovate, 3-4 ca. 3 mm. Corolla tube 1.5-2.5 cm, pubescent inside; lobes oblong, 1.5-2.5 cm. Stamens inserted at base of corolla tube; disc cup-shaped, apex undulate. Ovary glabrous. Follicles narrowly oblong or ovoid-cylindric, 6-12 X ca. 1.5 cm. Seeds ca. 2 cm 5 mm; beak ca. 2.5 mm; coma ca. 2 cm, recurved. Fl. Mar-Jun.
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