Trees to 30 m tall. Leaves 20-25 cm; petiole 2.5-5 cm, tomentose or sometimes glabrescent; rachis tomentose; leaf-lets (5 or)7 or 9(or 11); lateral leaflets sessile or petiolule to 2 mm, blade elliptic-ovate to broadly lanceolate, 5-14 × 2-6 cm, abaxially pubescent along midvein and secondary veins, baseoblique, broadly cuneate to subrounded, apex obtuse or acute, rarely acuminate; terminal petiolule 1-15 mm. Fruiting spike 25-30 cm, axis glabrous or pubescent. Nutlets compressedglobose, ca. 7 mm; disc wing leathery, orbicular to ovate, 2.5-6 cm. Fl. May-Jun, fr. Jul-Sep.
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