Large tree. Panicle, flowers and stipule outside pale cream pubescent, domatia fimbriate, parts otherwise ± glabrous. Twig c. 1.5 mm ø, much branched slender, terete, frequently wrinkled or compressed when dried, smooth; stipule scars short, pale, horizontal, obscure. Bud c. 4 by 2 mm, ovoid, acute. Stipules c. 6 by 2.5 mm, ovoid, narrowly obtuse, caducous. Leaves 6.5-10 by 3-7 cm, broadly ovate to obovate, +-chartaceous, cream lepidote on undersurface only in fully mature and old tree; base obtuse or subcordate; acumen to 8 mm long; nerves 8-12 pairs, slender, curved, set at 45°-65°, with prominent axillary porelike fimbriate domatia; tertiary nerves slender, densely scalariform, sinuate; midrib prominent beneath; petiole 1.5-2.5 cm long, slender, long, geniculate with the distal half swollen. Panicle, bracts and bracteoles unknown. Bud to 1.3 by 4 mm, fusiform. Calyx shortly pubescent outside, glabrous within; 3 outer lobes broadly ovate, subacute, 2 inner lobes narrowly ovate, acute. Petals linear, obtuse, hardly contorted in bud, sparsely pubescent on parts exposed in bud, elsewhere glabrous. Stamens c. 25-30; filaments applanate towards base, tapering; anthers broadly oblong, the inner 2 pollen sacs shorter than the outer 2, with sparsely setose apices; appendage 1/4 as long as anther, stout, densely setose. Ovary ovoid, densely tomentose except at base; stylopodium 1.5 times as long as ovary, very long, pubescent towards base, elsewhere glabrous. Fruit calyx glabrous; 3 longer lobes to 13 by 3 cm, broadly spatulate, obtuse, to 8 mm broad above the to 1.8 by 1.6 cm elliptic saccate thickened base; 2 shorter lobes to 7 by 1.2 cm, narrowly spatulate, with similar base. Nut 8.5 by 2.5 cm, ovoid, densely shortly pale cream pubescent; style remnant to 1 cm long, filiform.
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