Parashorea malaanonan Merr.

Young twig, leaf bud, stipule, petiole and panicle shortly sparsely pale brown tomentose, glabrescent on petiole. Twig to 1.5 mm ø apically, terete, becoming glabrous, dotted with minute pale round lenticels; stipule scars thin, pale, amplexicaul. Bud to 6 by 2 mm, lanceolate to subfalcate, acute. Leaves 9-15 by 3.5-7.5 cm, elliptic to ovate, greyish beneath, glabrous; base obtuse to broadly cuneate, subequal; acumen to 1 cm long, acute; margin undulate; nerves 9-14 pairs, straight, with ± prominent interneural plicate folds, curved at the margin, prominent beneath; tertiary nerves slender, scalariform, sinuate, at 90°; midrib prominent beneath, slightly raised above; petiole 1.2-2 cm long, slightly geniculate. Panicle to 18 cm long, terminal or axillary, terete; doubly branched, branchlets to 4 cm long, bearing to 3 flowers; bracteoles to 12 by 6 mm, oblong, obtuse, densely pubescent outside, glabrous within. Bud to 14 by 8 mm, large. Flowers cream. Calyx densely brown-buff pubescent outside, more sparsely so near the apex inside; 3 outer lobes narrowly deltoid acute, 2 inner lobes somewhat shorter, narrower. Petals hastate, acute, densely tomentose outside, glabrous within. Stamens subequal; filaments short, broad at base, tapering; anthers linear, about twice length of filament; inner pollen sacs shorter, narrower, than outer; appendage to connective longer than anther, reaching to style apex, stout at base, tapering and slender in the apical half, erect. Ovary ovoid, shortly pubescent; stylopodium slender, tapering into style, shortly pubescent; style filiform, glabrous, c. 4 times length of ovary. Fruit pedicel to 4 mm long, broadening into base of fruit. Fruit calyx puberulent to glabrescent, more densely pubescent at base; 3 longer lobes to 16 by 1.7 cm, narrowly spatulate, subacute, to c. 3 mm broad above the to 5 by 4 mm deltoid shallowly saccate thickened base; shorter lobes to 10 by 0.7 cm, linear, similar at base or somewhat narrower. Nut to 1.7 by 1.4 cm, ellipsoid, obtuse, verrucose; style remnant to 6 mm long, linear, tomentose.

Dense forests. Lowland primary forests. Mixed dipterocarp forest on deep, friable clay soils overlying shale, basic and intermediate igneous rocks, at elevations up to 1,300 metres.

Uses. The most important plywood, decking and light construction timber exported from its region.

Can be grown by seedlings.