Tree, up to 17 m high, with red bark, rarely with few stilt-roots. Leaves elliptic to oblong, ca 15-35-nerved, 20-40 by 9-20 cm, with rounded to acute, often slightly acuminate apex, rounded to obtuse base, and slightly undulate to manifestly dentate margin. Petiole ca 2½-4 cm long; wings near the base 5-11 mm broad, gradually narrowing towards the base of the blade, coherent with the blade over a breadth of 1-2 mm, when older loosening from the base of the blade and near the base of the petiole, but not caducous. Inflorescence pendent, up to 30-flowered, composed, being a raceme with the second and often third flower replaced by a secondary raceme, the branches slightly zig-zag. Flowers ca 4 cm diam. Sepals 5, ca 15-20 by 12-14 mm. Petals pale cream white, ca 20 by 13 mm. Stamens ca 160, 5½-8 mm long. Carpels 5-6, ca 4-5 by 1½ mm with ca 5 mm long styles, the carpels and the lower half of the styles rather densely covered with rigid, 0.4-0.7 mm long hairs, each with ca 10 ovules. Fruit dehiscent, the sepals in fruit enlarged to 25 by 15 mm. Carpels 10 by 12 mm, 1-2-seeded. Seeds 4 by 3 mm, finely echinate, with a 1 mm long membranaceous aril.
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