A tree or shrub. Branches thickened and flattened at the nodes, deep brown and more or less shining when dry, becoming glabrous and corky; spines axillary on the barren branches only, slender, more or less recurved, 4 lin. long. Leaves broadly oval or oval-oblong, acute or subobtuse, rounded or cuneate at the base, subcoriaceous, 2–2 3/4 in. long, 1 1/2–2 in. wide, hairy on both surfaces when young, becoming glabrous on the upper; lateral nerves reaching to the middle of the leaf; petiole about 4 lin. long, hairy. Cymes dense, nearly 1 1/2 in. long and 2 in. in diam., terminal; peduncle 1 1/4 in. long, hairy; pedicels 3/4 lin. long; bracts 3/4 lin. long, ciliate. Sepals lanceolate, hairy and ciliate, about 1 lin. long, acute. Corolla 1 3/4 lin. long; lobes 5, shorter than the tube, triangular, shortly hairy outside, glabrous inside except at the throat where there is a dense ring of white hairs. Ovary hairy; style included.
