Tree, tall. Leaves with 7-15 leaflets, these ovate to elliptic, 11-24 cm. long, 6-16 cm. wide, obtuse and often abruptly and shortly acuminate, rounded to subcordate at the base, glabrescent to glabrous, the margin lightly revolute, the blade orange- lepidote. Inflorescences unknown. Flowers not seen; hypogynous disk present. Fruits with the seminiferous area turgid, subglobose, up to 5 cm. long, the spines dense, linear-subulate, up to 3 cm. long, moderately stiff, the wing cultriform, up to 20 cm. long, up to 8 cm. wide, obliquely truncate to obliquely rounded at the apex, the upper margin slightly curved, the stylar spine almost entirely free from the wing, up to 1 cm. long, the veins numerous, prominulous, curving sharply toward the lower margin.
