Stems to 3 m long from perennial rootstock. Leaves ovate to sub-triangular, cordate at base; lamina 15–35 mm long, 20–40 mm wide, unlobed or shallowly 3–5–lobed, coarsely dentate, hispid on both surfaces; petioles 4–15 mm long. Male flowers solitary; pedicels 8–12 mm long; hypanthium campanulate, 2–3.5 mm long; calyx-lobes triangular, 2 mm long; corolla-lobes ovate, acute, 2.5–3 mm long, yellow; anther locules straight, 2 mm long; connective appendages absent; disc absent. Female flowers solitary; pedicels 15–20 mm long; staminodes minute; ovary ellipsoidal, 8–10 mm long, pilose; disc absent. Fruit ellipsoidal, 25–40 mm long, 20–28 mm diam., glabrescent, pale yellow; pedicel to 45 mm long. Seeds many, ovate, 6–8 mm long, compressed, slightly margined, pale buff.
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