Shorea smithiana Sym., Gard. Bull. S. S. 9 (1938)
Named after ?
Emergent tree up to 66 m tall and 164 cm dbh. Stem with resin. Stipules ca.
20 mm long. Leaves alternate, simple, penni-veined, with scales on petiole and
lower surface, feeling like sand paper. Flowers ca. 26 mm in diameter, reddish,
placed in panicles. Fruits ca. 21 mm long, green-brown, with three ca. 145 mm
long wings, wind dispersed.
Large buttressed tree. Young twig, leaf bud, stipule
outside (puberulent within), petiole, leaf beneath,
midrib above and panicle persistently grey-brown to
rust scabrid tomentose, leaf above caducous puberulent.
Twig 3-4 mm apically, stout, ribbed, smooth,
glabrous; stipule scars to 2 mm long at first, broad,
falcate, descending. Bud 5-8 by 3-4.5 mm, ovoid,
slightly compressed. Stipule to 20 by 6 mm, broadly
hastate, subacute. Leaves 12-20 by 6.5-11.5 cm,
broadly obovate to oblong or ovate, grey lepidote
beneath, coriaceous; base obtuse or subcordate;
acumen to 1.5 cm long, broad; nerves 14-17 pairs,
beneath, curved, at 50-60 degrees distally, more
spreading at base; tertiary nerves scalariform, well
spaced, sinuate; midrib prominent, stout, rounded,
beneath, rather narrow and slightly depressed above;
petiole 2.2-2.8 cm long, stout. Panicle to 25 cm long.
terminal or axillary, terete, regularly singly branched.
the branchlets bearing to 7 secund flowers; bracteoles
to 5 by 4 mm, ovate, subacute, shortly pubescent on
both surfaces, falling before the corolla opens. Flower
bud to 10 by 3 mm, narrowly ovoid, subacute. Calyx
densely pubescent outside, glabrescent within; lobes
broadly deltoid to ovate, acute, subequal, the 2 inner
the narrower. Petals pink, narrowly oblong, short,
densely yellowish brown pubescent on parts exposed
in bud. Stamens 22-26, of 3 sizes; filaments basally
expanded, abruptly tapering and filiform distally;
anthers broadly oblong; appendage to connective
almost twice as long as anthers, reaching to 0.75 length of
ovary and style, not reflexed. Ovary and stylopodium
narrowly pyriform, puberulent; style cylindrical, glaprominent
brous. Fruit calyx glabrescent; 3 longer lobes to 20 by
2.8 cm, narrowly spatulate, coriaceous, narrowly
obtuse, c. 1.3 cm broad and often slightly revolute
above the to 1.5 by 1.8 cm broadly ovate shallowly
saccate thickened base; 2 shorter lobes to 1 3 by 0.9 cm,
linear, similarly expanded at base. Nut to 2.7 by 1.8
cm, ovoid; style remnant to 3.5 mm long, tapering,
densely evenly shortly pale cream-buff pubescent.
[from Flora Malesiana]
In undisturbed mixed dipterocarp forests up to 400 m altitude. Mostly on
ridges and hillsides with sandy soils. Frequent on deep sandy clay soils on undulating
The timber is used. The bark sometimes used as floor cover.
Borneo: Awang, Berat, Chempaga, Engkabang, Lempong merembong, Lempong tembaga,
Mahambung, Meraka belong, Meranti rambai, Rambai, Seraya merah, Seraya timbau,