Leaves: petiole 6-10.5 cm; petiolules 0.7-2.5 cm, glabrous or sparsely set with short hairs; leaflets chartaceous or coriaceous, ovate or oblong, 8-18 by 5.5-11 cm, acumen up to 1 cm long, base cordate or rounded, upper surface shiny or dull, lower surface dull, glabrous on both surfaces or lower midrib somewhat hairy towards the base, nerves 4 or 5 pairs, at angles of 60-80° with the midrib; domatia present or absent. Thyrses velutinous, especially near flowers and fruits, or partly glabrous. Flower buds ellipsoid, c. 6 by 4 mm. Bracteoles coriaceous, ovate, 2-5.5 by 1.2-3 mm, rusty velutinous on both surfaces. Perianth in anthesis pink, outer and inner tepals unequal, mucronate, outer surface hairy, especially towards the tips; outer tepals lanceolate, 7-10.5 by 3-3.5 mm, 5-nerved, inner ones spatulate, 6.5-9 by 2-2.5 mm, 3-nerved. Filaments ± filiform, c. 7 mm long; staminal appendages inflated, spathe-like, dorsally cleft, nearly to the base, including the c. 1 mm long stipe 2.5-3 mm long; interstaminal appendages present. Fruits with 2 wings and 2 ridges; nut 3-4 cm long, wings Ungulate, 3.5-6 cm long.
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