Medium-sized tree with dark flaky bark. Twigs, petioles, leaf buds and stipules persistently rufous scabrid tomentose; nerves below and midrib on both surfaces thus at first, +-glabrescent. Twigs c. 3 mm ø apically, stout, ± persistently ribbed, pale brown; stipule scars prominent, descending. Buds to 2 by 2 mm, ellipsoid, obtuse; stipules to 12 by 5 mm, lanceolate, subpersistent. Leaves 11-28 by 4.2-10 cm, large, oblong, coriaceous; base ± unequal, cordate; acumen to 2.5 cm long, tapering; nerves 16-24 pairs, arched towards the margin, at 70°-80°, slender but prominent beneath, applanate above, without domatia or secondaries; tertiary nerves scalariform, barely evident beneath; midrib prominent beneath, elevated above; petiole 5-7 mm long, stout. Complete panicle unknown, short, 1-axillary, glabrous. Flowers unknown. Fruit pedicel short, stout. 2 longer calyx lobes to 5.5 by 1.8 cm, broadly spatulate, obtuse, c. 2 mm broad above the to 6 by 5 mm ovate saccate thickened base; 3 shorter lobes to 9 by 6 mm, ovate, subacute, similarly saccate. Nut to 16 by 9 mm, narrowly ovoid, tapering to a prominent stout apiculate stylopodium.
Locally abundant; alluvium, low hills, river banks (W. Irian); once on ridges with Araucaria klinkii in Papua New Guinea.
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Locally abundant; growing on alluvium, low hills, river banks and ridges.
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