A climbing shrub, perfectly glabrous; young branches terete, compressible, sometimes fistular, olive-green. Leaves oblong, abruptly acuminate, narrowed to the base, 4–6 (rarely to 8) in. long, 1 1/2–3 1/2 in. broad, papery, dull; secondary nerves 5–7 on each side, strongly curved; petiole 3–5 lin. long. Inflorescences corymbose or umbelliform, 7–10-flowered, rather dense; peduncle up to 1 3/4 in. long; pedicels 2–4 lin. long. Calyx 1 1/2–2 lin. long; sepals broad, oblong, very obtuse, ciliolate, eglandular. Corolla white, very fragrant; tube slender, slightly dilated near the base, more or less twisted below, 1 1/2–1 3/4 in. long, hairy within in the upper part; lobes very oblique, lanceolate, long tapering to an acute point, over 1 in. long. Anthers 2 1/2–2 3/4 lin. long. Style 1 lin. long. Mericarps rather baccate, ovoid, orange-coloured, 1 3/4–2 in. long with 2 lateral keels.
