Tree, 20 m. Young branchlets glabrous and even the terminal bud has only a few hairs, growth sympodial. Leaves chartaceous, spirally arranged and ± crowded at the ends of the branchlets, glabrous, densely minutely verruculose above, obscurely pellucid-punctate or opaque, elliptic or narrowly elliptic, 7-15 by 3½-7 cm, acuminate at the apex, narrowly cuneate at the base; nerves 9-12 pairs; domatia scarcely conspicuous, glabrous; petiole glabrous, 1½-3 cm. Flowers yellowish, honey-scented, sessile, in axillary spikes 6-13 cm long; rhachis fulvous-tomentellous. Bracts at first conspicuous, glabrous, filiform, 3-9 mm, soon caducous, male flowers very numerous and rather densely arranged at the upper end of the spike, with stalks 7½-3 mm long, hermaphrodite flowers towards the base of the spike, less numerous. Lower receptacle (ovary) narrowed at the apex, sericeous, 2-½ mm long, upper receptacle shallow-cupuliform, 1 by 2 mm, sparsely pubescent or nearly glabrous. Calyx-lobes almost glabrous, triangular, 2 by 1.2 mm. Filaments glabrous, 4-5 mm; anthers ½ mm long. Disk barbate. Style glabrous, 4 mm. Fruit glabrous, oblong-ellpsoid, somewhat laterally compressed, when dry 4-4½ by 1.8-2 by 1.4-1.6 cm, apiculate at the apex, showing in cross-section a band of sclerenchymatous tissue 3-4 mm thick, including in it some isolated air-chambers, especially in a ring round the loculus, and radially extended into 9-10 spokelike projections with further air-chambers between them.
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