Small or large, hardly buttressed, deciduous or evergreen tree. Leaf bud persistently shortly evenly pale rust pubescent, leaf undersurface, petiole, stipules and young twigs usually at first ± sparsely pubescent, caducous (in Malesia) or sometimes persistent. Twigs c. 2 mm ø apically, ± terete, becoming smooth, pale to dark brown, sometimes minutely pale lenticellate; stipule scars short, horizontal, the inter-node frequently ribbed beneath their apices. Buds to 4 by 2 mm, ellipsoid. Stipules to 10 by 3 mm, linear obtuse. Leaves 7.5-19 by 2.5-7 cm, elliptic-oblong, thin; margin undulate; base broadly cuneate to subcordate; apex acute or with to 6 mm long, short, broad acumen; nerves 12-20 pairs, slender, rather prominent beneath, tending to bifurcate near the margin, rather straight, at c. 60°-70°; secondary nerves slender, remote, subscalariform; midrib evident towards base, applanate to somewhat depressed, above, prominent and terete beneath; petiole 1.4-4.5 cm long, frequently somewhat swollen in the distal half and geniculate. Panicle to 8 cm long, axillary to ramiflorous, rarely terminal, slender, terete, glabrescent, lax; singly branched, branchlets to 4 cm long, ascending, bearing to 3 flowers; bracteoles fugaceous. Flower buds to 8 by 4 mm, lanceolate. Sepals glabrescent, fimbriate, deltoid, acute, the 2 inner somewhat the shorter, subacuminate. Petals white, tinged red at base within. Stamens 15; filaments slender, compressed, tapering, equal to the lorate anthers as also the slender filiform appendages. Ovary ovoid, glabrous; style slender filiform, c. 4 times length of ovary, obscurely trifid. Fruit glabrous. Pedicel obscure, expanding into the receptacle; 3 longer calyx lobes to 9 by 1.2 cm, spatulate, obtuse, c. 4 mm ø above the to 10 by 7 mm ovate saccate thickened lustrous base; 2 shorter lobes to 4.5 by 0.6 cm, lorate, otherwise similar. Nut to 15 by 10 mm, narrowly ovoid, tapering to an up to 5 mm slender filiform style remnant.
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A tree. It loses its leaves during the year. It grows 15-30 m tall. The bark is grey. The leaves are oblong tapering to a short tip. The flowers are white. They occur in open clusters. The outer ring of flower parts or sepals are pink and have 5 wings. The fruit is round.
Can be grown by seedlings. Seeds needs soaking.
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