Tree up to c. 20 m tall, 30 cm ø, with dark brown or brownish grey, somewhat scaly bark. Leaves elliptic-oblong or elliptic, c. 10-13-nerved, 10-25 by 5½-15 cm, with rounded apex, obtuse to rounded base, and slightly undulate margin. Petiole 3-7 cm long, with narrow lanceolate to linear, 3-5 mm broad wings wholly caducous or usually leaving a pair of small auricles at base of blade. Flowers solitary, just after flowering a globular bud c. 2-2½ cm ø. Pedicel 2½-7½ cm long, with a single linear-lanceolate 10-30 mm long bracteole. Sepals 5, c. 25-30 by 20-30 mm, densely shortly sericeous outside. Petals unknown. Stamens and staminodes slightly curved in bud; the staminodes (c. 60) on the outside, 2-5 mm long; the stamens (c. 260) 6-10 mm long. Carpels 7-9, c. 10 by 6 mm, with 7 mm long styles, each with 6-8 ovules. Fruit dehiscent. Carpels 20 by 16 mm, 1-2-seeded. Seeds 4½ by 2½ mm, dark brown, enclosed by 5½ mm long membranous aril.
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