Large buttressed tree. Petiole and bud persistently greyish buff sericeous, young twigs and midrib above caducously so. Twig c. 2 mm ø apically, terete, smooth; stipule scars short, horizontal, obscure. Bud to 2 by 2 mm, ovoid, subacute. Stipule unknown. Leaves 13-23 by 4.3-8.5 cm, oblong-lanceolate, somewhat chartaceous; margin frequently somewhat revolute; base obtuse; acumen to 1 cm long, broad; nerves 13 pairs, slender but elevated beneath, at 45°-60°; tertiary nerves slender, hardly raised, scalariform; midrib applanate above, slender but prominent beneath; petiole 19-30 mm long. Panicle to 9 cm long, terminal or axillary, terete, densely pale greyish buff pubescent or glabrous; doubly branched, branchlets bearing to 8 +-secund flowers; bracteoles fugaceous. Flower bud to 5 by 3 mm, ellipsoid. Sepals ovate, subacute, densely pubescent on parts exposed in bud; 2 inner sepals narrower at base, thinner at margins, than outer 3. Petals lanceolate, densely pubescent on parts exposed in bud or glabrous, strongly contorted. Stamens 10, subequal; filaments compressed at base, tapering and filiform below the narrowly ellipsoid anthers; appendage to connective c. 2.5 times length of anther, the inner 5 reaching to the style apex, slender, sparsely pubescent in the distal 1/3. Ovary and stylopodium pyriform, densely pubescent or glabrous, crowned by a short glabrous trifid style. Fruit pedicel to 3 mm long, stout. Calyx glabrescent; lobes to 10 by 9 mm, subequal, ovate, acute, incrassate, becoming +-reflexed distally. Nut to 3 by 2 cm, broadly obovoid-ellipsoid, large, apiculate, persistently pale fulvous sericeous.
Locally common, clay rich soils, often near streams, in mixed Dipterocarp forest on hills below 500 m.
Home