A climber, 60 to 80 ft. high; young branches slender, more or less rusty- or fulvo-tomentose, ultimately glabrescent. Leaves elliptic to oblong, shortly or obscurely acuminate, rounded or more or less acute at the base, 1 1/2–3 1/2 in. long, 1–2 in. broad, chartaceous, finely rusty tomentose all over in bud, very soon glabrescent above and between the nerves below, at length sometimes quite glabrous except for small tufts of hairs in the nerve-axils; secondary nerves 5–7 on each side, channelled above; transverse veins fine, but distinct; petiole 1–2 1/2 lin. long. Panicles slender, pyramidal, 2–15 in. long, finely rusty- or fulvo-tomentose; lowest bracts sometimes foliaceous and coloured, upper small, lanceolate to subulate, 1–2 lin. long; pedicels very short or up to 4 lin. long. Calyx 1–1 3/4 lin. long, puberulous to minutely tomentose; sepals lanceolate, acute or obtuse, eglandular. Corolla white, funnel-shaped; tube subcampanulate, 2–3 lin. long, puberulous without, scantily pubescent within in the upper part; Suprastaminal calli ovate, distinct; lobes linear-lanceolate to linear, long tapering, 5–7 lin. long. Staminal cone not quite 1 lin. long, reaching to or beyond the middle of the corolla-tube; anthers more or less hairy on the back. Style puberulous, obconic from a cylindric base; stigma with a short bifid apiculus; ovary pubescent. Follicles finely rusty tomentose, up to 16 in. long, obtuse. Seeds 8 lin. long; coma reddish, 1–1 1/4 in. long.