Shorea platyclados Slooten ex Endert

Large tree with dark, flaky and fissured bark. Young parts grey puberulent, fugaceous except on stipule and panicle. Twig c. 3 by 1.5 mm ø apically, compressed, glabrous, smooth; stipule scars c. 2 mm long, linear, pale, horizontal. Leaf bud to 4 by 1.5 mm ø apically, compressed, acute. Stipule to 13 by 3.5 mm, hastate, acute. Leaves alternate, 6-9 by 2-3 cm, lanceolate; base cuneate and with revolute margin; acumen c. 1 cm long; margin undulate; nerves 15-18 pairs, slender, hardly elevated beneath, +-obscure, with short secondary nerves running j way to margin; tertiary nerves very slender, densely scalariform, diagonal to nerves; midrib narrow, obscure and depressed above, slender but sharply prominent beneath; petiole 1-1.5 cm long, slender, compressed laterally. Panicle to 7 cm long, terminal or axillary, compressed; singly branched, branchlets to 1.8 cm long, bearing to 7 secund flowers; bracteoles unknown. Flower bud to 8 by 3 mm, ovoid, ellipsoid. Calyx densely shortly puberulent outside, glabrous within; 3 outer lobes ovate, acuminate, 2 inner lobes smaller, more narrowly acuminate. Petals pale yellow, lanceolate, slender, acute, densely pubescent on parts exposed in bud. Stamens 15, of 2 lengths; filament broad at base, tapering +-abruptly and filiform distally; anther subglobose; appendages to connective c. 4 x length of anther, slender, glabrous. Ovary and stylopodium pyriform, puberulent towards apex; style glabrous, as long as ovary and stylopodium. Fruit calyx glabrescent; 3 longer lobes to 10 by 1 cm, narrowly spatulate, obtuse, to 4 mm broad above the to 7 by 7 mm broadly ovate saccate thickened base; 2 shorter lobes to 5 by 0.4 cm, linear, acute, similar at base. Nut to 1.5 by 1 cm, glabrescent; style remnant acute.

An emergent tree, widespread in mountainous districts at elevations that are usually between 700-1,300 metres, but occasionally down to 200 metres in valley bottoms near mountains.

Can be grown by seedlings. Seeds needs soaking.