Tall, flaky-barked, hard-wooded tree. Young parts densely buff pubescent, leaf buds, stipules, twig apices, petioles, and parts of corolla expanded in bud persistently so, becoming sparse on leaf undersurface and calyx, caducous elsewhere. Twig c. 1 mm ø apically, becoming smooth, terete; internodes short, branchlets hence densely leaved. Buds minute, ovoid; stipules to 4 by 1 mm, linear-lanceolate, caducous. Leaves 5.5-11 (to 13 in young trees) by 1.8-4 cm, lanceolate, thinly coriaceous; margin subrevolute; base obtuse, ± equal; acumen to 13 mm, slender; nerves (11-)13 to 15 pairs, dense, slender but prominent beneath, ± obscure and depressed above as also the midrib, without domatia; tertiary nerves scalariform, ± evident but unraised beneath; petiole 5-8 mm long. Panicle to 3.5 cm long, slender, to 2-axillary, singly branched; branchlets to 12 mm long, bearing to 5 secund flowers; bracteoles to 2 mm long, deltoid, not at first caducous. Flower bud to 3 by 2 mm, lanceolate. 2 outer sepals narrowly deltoid-acuminate, 3 inner suborbicular, mucronate. Stamens (15-)16-19, shorter than style; filaments long, compressed but slender, tapering to the oblong anthers; appendages c. 3 times length of anthers, slender. Ovary small, tapering into a somewhat longer stoutly columnar stylopodium tapering into short style. Fruit pedicel short, stout. 2 longer calyx lobes to 6.5 by 1.0 cm, spatulate, obtuse, c. 2 mm broad above the to 8 by 6 mm ovate saccate thickened base; 3 shorter lobes 12 by 8 mm, ovate, similarly saccate, mucronate, shorter than the nut; or one sometimes to 23 mm long, spatulate. Nut to 18 by 8 mm, narrowly ovoid, resinous, tapering, prominently apiculate.
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