A tree 20–30 ft. high; branchlets angular, pilose. Leaves suborbicular, 8–10 in. long, rounded or almost cordate at the base, thin, scabrid above, pilose beneath; lateral nerves about 5 on each side, prominent beneath; petiole 2–4 in. long, pilose. Cymes terminal; branches many, pilose. Calyx oblong, 4 lin. long, densely coated with drab tomentum; teeth 2–5, very unequal, broadly ovate, acute. Corolla sulphur-coloured, 4 lin. in diam.; tube cylindrical, 5 lin. long; lobes 5, oblong, obtuse, 2 lin. long, 1 1/2 lin. broad. Stamens inserted in the corolla-throat; filaments 1 1/4 lin. long, slender, glabrous. Ovary conical, tapering into the style; style bipartite nearly to the base; ultimate branches linear, 4 lin. long, stigmatose along the upper part. Fruit ovoid-conic, mucronate, 1 in. long, seated on the ash-coloured hardened cup-shaped calyx.
