A tree. Branches thickened and flattened at the nodes, brownish-yellow when dry, shortly pubescent, becoming glabrous and corky; spines axillary on slender sterile branches only, slender, more or less recurved. Leaves oblong or oboval, narrowed into a petiole 9 lin. long, from apiculate to deeply emarginate at the apex, coriaceous, 1 1/2–2 3/4 in. long, 1 in. wide, shining on the upper surface, dull on the lower, 5-nerved, 2 central nerves vanishing near the centre of the leaf. Cymes lax, 6 lin. long, terminal on the principal branches or lateral; peduncle 6 lin. long, shortly hairy; pedicels slender, hairy, about 1 lin. long; bracts 2, linear, 1 1/2 lin. long, sparingly ciliate. Sepals long linear, 2 1/2 lin. long, acute, ciliate. Corolla nearly 2 lin. long in bud, caducous, hairy outside. Ovary hairy; style short. Fruit 2 in. in diam.
