Climbing shrub, attaining 15–20 ft.; extremities terete, smooth, early glabrous. Leaves elliptical, shortly acuminate or apiculate, rounded or broadly cuneate at base, thinly coriaceous, glabrous, minutely scabrid under a lens on the venation, principal lateral nerves 6–10 on each side; 5–6 1/2 in. long, 2–3 1/4 in. broad, petiole 1/4– 1/3 in., eglandular. Stipules ovate or ovate-lanceolate, subscarious, with prominent nervation, 1/6 in. long. Flowers in terminal somewhat intricate puberulous paniculate racemes and from the upper axils, usually shorter than the leaves. Bracts ovate 1/12 in. or less; bracteoles minute, ovate, acute. Pedicels straight, from the last pedicels 1/4 in. more or less. Calyx-tube slender, 3/4 in. long, puberulous; lobes elliptic-oblong. Petals obovate-oblong, exceeding the calyx, caducous. Base of staminal sheath continued around the faux as a prominent sinuous disk. Fruit not seen.
