A climbing shrub, 10 ft. high, quite glabrous; branches fistular, olive-green. Leaves oblong to lanceolate, long acuminate (acumen fine, obtuse), acute at the base, 4–6 in. long, 1 1/2–2 1/2 in. broad, chartaceous, dark above, olive-green below when dry; secondary nerves 6–7 on each side, very fine; petiole up to 10 lin. long. Inflorescences corymbiform or after the falling of the lower flowers umbelliform, rather dense, peduncle under 1 in. long; pedicels up to 3 lin. long. Calyx 2 lin. long; sepals broad, ovate-oblong, very obtuse, ciliolate, eglandular. Corolla white; tube very slender, almost filiform, 1 3/4–2 1/3 in. long, widened at the base and twisted all along, loosely hairy in the upper part, glabrous below down to the filaments; lobes linear, long tapering, up to 2 in. long, very wavy. Anthers 2 1/2 lin. long. Style 1 lin. long.
