A tree 30–80 ft. high; branchlets pubescent. Leaves ovate to suborbicular, up to 5 in. long and 4 1/4 in. broad, shortly acuminate, obtuse at the base, irregularly crenate or almost entire, subcoriaceous, glabrous above, pubescent beneath; lateral nerves about 5 on each side; petiole 1 1/2–2 in. long. Cymes in a terminal ample divaricately branched panicle; branches and short pedicels densely pubescent; flowers polygamous. Calyx 2 lin. long, funnel-shaped, densely pubescent outside, not sulcate; lobes 3–5, oblong, obtuse. Corolla funnel-shaped; lobes 4–5, oblong, obtuse. Stamens 3–5, inserted in the corolla-throat; filaments hairy below their insertion. Fruit oblong, acute, glabrous, 6 lin. long, seated on the enlarged campanulate calyx.