Tree to 10 m tall. Leaves to 50 cm long, imparipinnate, with more than 6 leaflet pairs; petiole 5-16 cm long; leaflets entire, acute to acuminate, ±glabrous at maturity; terminal leaflet 8-14.5 cm long, 3-7 cm wide, oblique at base, very unequal-sided, with 4-8 pairs of veins and petiolule 0-35 mm long; lateral leaflets 8-19 cm long, 1.5-5.5 cm wide, 3-veined, with petiolule 3-10 mm long. Conflorescence 30-70 cm long. Tepals 17-25 mm long, cream to brown. Anthers 1.7-2.4 mm long with mucro 0.1-0.3 mm long; filaments 0.5-1.3 mm long. Ovary 1-1.5 mm long; style 13-21 mm long; pollen presenter clavate, 1.2-2 mm long. Fruit 14-21 cm long, 5.5-6 cm wide. Seeds 13-16 cm long, 3.5-4.5 cm wide; embryo 4.5-6 cm long, 1.5-2 cm wide.
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