Large tree, to 30 m tall. Leaves with petiole 1.5-4 cm long; lamina narrowly elliptic, 8-20 cm long, 3.5-7.5 cm wide, attenuate at base, entire, occasionally lobed, obtuse to acuminate, glabrous above except for midrib, densely appressed-pubescent below; veins 8-20 pairs. Conflorescence terminal and axillary, 14-21 cm long. Tepals 4-5 mm long, cream (brown towards apex). Anthers 0.5-0.6 mm long with mucro less than 0.1 mm long; filaments 0.1-0.2 mm long. Hypogynous glands 0.8-0.9 mm long. Ovary 0.7-0.8 mm long; style 3.5-4.5 mm long; pollen presenter filiform to narrowly clavate, 0.3-0.5 mm long. Fruits 7.5-8.5 cm long, 2.5-3.6 cm wide, ±ferruginous just prior to maturity. Seeds 7-7.5 cm long, 2-2.6 cm wide; wing 3-18 mm wide; embryo 3-4 cm long, 1-1.7 cm wide.
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