Stems slender, angular, puberulent. Petiole 3-8 cm, villous; leaf blade abaxially pale green, adaxially deep green, narrowly ovate-cordate to broadly ovate-cordate, 14-20 × 10-15 cm, papery, usually ± 3-5-lobed, rarely unlobed; middle lobe ovate-triangular or ovate-lanceolate, abaxially glabrous or villous on veins, adaxially villous. Male peduncles in axillary pairs, one 1-flowered, other bearing a raceme; peduncle 4-11 cm, villous; bracts ovate or orbicular-cordate, 2-2.5 × 1.5-4 cm, base rounded, margin entire, apex acuminate, shortly stipitate; calyx tube narrowly funnelform, ca. 3 cm; segments linear-lanceolate, 10-15 × 1.5-2.5 mm. Female flowers solitary; pedicel ca. 1.5 cm; calyx tube ellipsoidal, ca. 2 cm; ovary oblong. Fruiting peduncle ca. 6 cm; fruit oblong, 8-10 cm, smooth. Fl. Mar-Jul, fr. Nov.
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