Tuber yellow-brown. Leaves pedately 7-9-foliolate; petiole 5-9 cm; leaflets broadly elliptic-lanceolate or ovate-lanceolate, base cuneate, margin crenate; median leaflets 7-12 × 3-5 cm. Male inflorescence dichotomously cymose; rachis 7-11 cm; calyx segments lanceolate, ca. 15 × 7 mm, apex reflexed; corolla orange-red, Chinese lanternlike, 1.5-2(-2.5) cm in diam.; segments broadly ovate, 20-25 × 15-18 mm, revolute, obtuse-rounded and apiculate at apex; filaments ca. 1 mm. Female inflorescence simple; ovary ellipsoid, 10-15 × 6-10 mm. Fruit subspheroid to ovoid, 2-3.5 cm in diam., fruit wall leathery. Seeds dark brown, broadly ovoid, 10-12 × 8-10 mm, 2-3 mm thick, almost unwinged; margin narrow, ca. 2 mm wide, slightly erose. Fl. Jun-Sep, fr. Aug-Nov.
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