Leaf-lamina 1·9–9·7 × 2·2–11 cm., broadly ovate in outline, cordate, plane, minutely and remotely denticulate, densely hirtellous beneath and above, becoming minutely hispid above, rather shallowly to deeply palmately 3–5-lobed; lobes triangular, ovate-triangular, broadly elliptic, obovate-elliptic, elliptic or linear-lanceolate in outline, acute to obtuse, rounded or retuse, apiculate, the central especially sometimes incipiently to distinctly 3–5-lobulate.
male flowers about 5–10 or more in congested racemiform to subcapitate pedunculate clusters; peduncle 0·4–6 cm. long; pedicels 0·5–2 mm. long. Receptacle-tube 1·5–2 mm. long, lobes 1·5–2 mm. long, lanceolate or ovate-triangular. Petals 2 mm. long, oblong-lanceolate, cream to yellow or greenish-yellow.
Stems to 2 m., prostrate or scandent rather sparsely to densely crispate-pubescent, arising from tuberous rootstock; when old, like the rootstock, with rough greyish bark.
Fruits 1–2(5), 10–15 mm. long, ellipsoid, rounded, not rostrate, densely crispate-pubescent, red, sessile or subsessile; pedicels up to 3·5 mm. long.
Seeds 4·0–5·1 × 2·2–3·3 × 1·5–2·0 mm., asymmetrically ovoid-pyriform, slightly compressed, fibrillose or scaly; margins 2 grooved.
Female flowers 2–7, sessile; ovary 2·5–3 mm. long, ovate-rostrate, densely puberulous.
Petiole 1·2–4·2 cm. long, densely crispate-pubescent.