Lianas woody, to 5 m. Stems pale gray, nodes pilose. Petiole 1-1.6 cm, puberulent to glabrous; leaf blade oblong, 10-11 × 2-3 cm, papery, glabrous, base rounded, apex acute; lateral veins 7 or 8 pairs, flattened on both surfaces. Inflorescences umbel-like, 4-8-flowered, glabrous; peduncle 4-4.5 cm; bracteoles lanceolate or oblong, 3-6 mm. Pedicel 2-2.5 cm. Sepals ovate, ca. 4 × 2 mm, ciliate. Corolla white, campanulate, 1.5-2 cm in diam.; tube ca. 5 mm; lobes broadly ovate, ca. 9 × 9 mm, apex rounded. Corona lobes oblong, fleshy, as long as anther appendages. Pollinia falcate-reniform. Ovaries glabrous. Stigma head discoid, convex, slightly exserted from anther appendages. Fl. Sep.
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