Medium-sized flaky-barked hard-wooded tree. Twigs, petiole, midrib above and calyx outside caducous buff pubescent, persistent in young trees and on parts of petals exposed in bud and leaf buds. Twig c. 2 mm ø apically, terete, rugulose, blackish. Bud minute; stipules not seen. Leaves 8-15 by 3.5-7.5 cm, ovate-falcate, thinly coriaceous, lustrous; base ± broadly cuneate to obtuse, frequently shortly decurrent; unequal; acumen to 1.5 cm long, tapering; nerves 6-8 pairs, slender but distinctly elevated on both surfaces (more so below) as also the midrib, arched, at 45c-60°, with prominent glabrous porous canaliculate domatia (absent in immature trees); tertiary nerves densely scalariform, very slender, ± elevated on both surfaces; petiole 11-14 mm long (shorter in young trees), slender. Panicle to 8 cm long, slender, pendant, to 2-axillary or terminal, singly branched; branchlets to 2 cm long, bearing to 5 flowers; bracts fugaceous. Flower bud to 3 by 2 mm, ellipsoid. 2 outer sepals ovate, acute, 3 inner ovate, acuminate. Stamens 15, in 3 unequal verticils; filaments compressed but rather narrow at base, tapering to the narrowly ellipsoid subacute anthers; appendage as long as anthers, relatively stout. Ovary and stylopodium stoutly pyri-form, subtruncate, with short columnar style. Fruit pedicel c. 2 mm long, stout. 2 longer calyx lobes to 9 by 2.5 cm, lorate, obtuse, c. 5 mm broad and subrevolute above the c. 5 by 5 mm broadly ovate saccate thickened base; 3 shorter lobes to 6 by 6 mm, ovate, acute, similarly saccate. Nut to 9 by 6 mm, ovoid, shortly apiculate, resinous.
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