Tree, up to c. 20 m tall, 40 cm ø, with up to 10 m bole, with reddish brown bark peeling off in flakes. Leaves cordate-elliptic or elliptic to ovate, 10-15-nerved, 20-45 by 16-35 cm, with rounded to slightly retuse apex, slightly cordiform or rounded to obtuse base, and undulate margin, glabrous. Petiole 5-10 cm long, the wings oblong up to 25 mm broad. Raceme 3-flowered, up to 6 cm long with tortuous axis. Flowers not expanding, the sepals only slightly diverging, the petals falling off collectively without spreading. Sepals 5, c. 45-55 by 35 mm, short hirsute outside. Petals 5, cuculiate when falling, c. 55 by 18 mm. Stamens c. 360, all of approximately same length, 18-20 mm long; a few (c. 10) staminodes on the outside. Carpels 8-11, c. 17 by 7 mm, with c. 20 mm long styles, each with c. 24 ovules. Fruit dehiscent. Carpels 28 by 16 mm. Seeds unknown.
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