Stems robust, brownish hirsute. Petiole 2-5 cm, tomentose; leaf blade adaxially deep green, ovate-cordate, 10-20 × 7-17 cm, papery, unlobed, abaxially densely felty-tomentose, adaxially sparsely and shortly hirsute, margin entire or remotely and obscurely serrate, apex long acuminate. Male peduncle ca. 2.5 cm; pedicel ca. 8 mm, tomentose; bracts linear, ca. 1.5 × 0.25 cm; calyx tube cylindric, 2-3.5 × ca. 0.8 cm; segments oblanceolate, ca. 1.8 × 0.45 cm, tomentose, apex acute. Female peduncle robust, 2.5-3.5 cm, tomentose, 1-flowered; calyx tube cylindric, ca. 1 cm, tomentose; segments narrowly triangular, ca. 1 cm, apex long acuminate; ovary oblong, 1.5-2 × ca. 1 cm, densely and softly tomentose. Fruiting peduncle robust, 2.5-5.5 cm, tomentose; fruit oblong, 8-10 × 4.5-6.5 cm. Seeds subovate, compressed, 10-13 × 7-8 mm, 1-veined at middle, base rounded or truncate, margin undulate and serrate, apex obtuse.
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