Shorea uliginosa Foxw.

Large buttressed tree with dark fissured bark. Twig, leaf bud, stipule outside, petiole and leaf beneath densely shortly pale chocolate-brown scabrid tomentose, stipule within, midrib and nerves above evenly so; leaf above puberulent or glabrescent. Twig 3-4 mm ø apically, terete, at first prominently ribbed by the decurrent lateral petiolar bundles, becoming smooth; stipule scars short, pale, horizontal. Bud to 6 by 4 mm, ovoid, subacute, compressed. Stipule to 14 by 5 mm, elliptic, subacute. Leaves 12-22 by 6-12 cm, medium-sized to large, elliptic-oblong, somewhat chartaceous, prominently boat-shaped with the lower surface concave; base broadly cuneate to subcordate; acumen to 1 cm long, acute; nerves 16-21 pairs, prominent beneath, at 50°-70° except at the base, tertiary nerves scalariform, at 90° to the nerves; midrib evident but depressed above, prominent beneath; petiole 2.2-3.2 cm long, stout, terete. Panicle to 16 cm long, terminal or axillary, ribbed, densely chocolate-brown scabrid tomentose; doubly branched, branchlets bearing to 6 +-distichous flowers; bracteoles to 3 by 2 mm, elliptic, subacute, pubescent outside, glabrous within, fugaceous. Flower bud to 5 by 3 mm, small, ellipsoid. Sepals densely pubescent on parts exposed in bud, ovate, acute, the 2 inner smaller than the 3 outer, thinner towards margin, flanged at base. Petals pale yellow, elliptic-lanceolate, densely pubescent on parts exposed in bud. Stamens 15, in 3 unequal verticils; filaments compressed, slender, tapering; anthers small, subglobose; appendage to connective about as long as anther, becoming reflexed with anther at anthesis. Ovary and stylopodium conical, densely pubescent; style filiform, glabrous, slender, as long as ovary and stylopodium. Fruit pedicel to 1 mm long, short. Fruit calyx persistently sericeous towards base, otherwise glabrescent; 2 longer lobes to 6 by 1.2 cm, spatulate, obtuse, to 4 mm broad above the to 5 by 4 mm elliptic slightly thickened saccate base; 2 shorter lobes to 2 cm long, linear, similar at base. Nut to 8 by 6 mm, ovoid, acute, densely buff pubescent.

A canopy to emergent tree in mixed peat swamp forest. Coastal swamp forests.

Uses. Important as a source of dark red meranti timber.

Can be grown by seedlings. Seeds needs soaking.