Medium-sized smooth barked tree. Domatia persistently greyish puberulent; young twigs, petioles and sepals fugaceously so, parts otherwise glabrous. Twigs c. 1 mm ø apically, slender, terete, smooth, dark brown; stipules fugaceous. Buds minute. Leaves 5-9 by 1.5-4 cm, lanceolate-falcate; base cuneate, ± shortly decurrent; acumen to 2 cm long, caudate, very slender; nervation dryobalanoid, main nerves c. 11 pairs, ascending, arched, with ± shorter secondaries, very slender but evident and elevated beneath, ± obscure above, with or without prominent pubescent axillary domatia; tertiary nerves densely reticulate, ± obscure; midrib slender but distinctly and ± equally elevated on both surfaces; petiole 8-16 mm long, slender. Panicles to 2.5 cm long, axillary, slender, singly branched; branchlets to 12 mm long, bearing to 5 flowers. Flower buds to 6 by 3 mm, ellipsoid. Sepals ovate, subacute, fimbriate apically, the inner 3 somewhat broader at base. Petals glabrous. Stamens 15; filaments lorate, tapering; appendages c. 1.5 times as long as the subglobose anthers, shorter than style. Ovary ovoid, glabrous, without stylopodium, with columnar style 1.5-2 times its length. Fruit pedicel to 2 mm long, short, slender; 2 longer calyx lobes to 35 by 9 mm, spatulate, obtuse, to 2 mm wide above the 4 by 3 mm ovate saccate thickened base; 3 shorter lobes to 4 by 4 mm, ovate, subacute, shorter than the to 7 by 4 mm apiculate nut.