Climber; young stems herbaceous, minutely velutinous, sometimes with scattered longer crisped hairs or rarely practically glabrous, soon thickening and developing a reddish-brown or greyish rather papery bark.. Leaves slightly fleshy; blade broadly ovate-cordate in outline, sinuate-toothed, densely and finely scabrid-hairy, 31–100 mm. long, 36–150 mm. broad, unlobed or more usually palmately 3–5-lobed; lobes obovate, rhombic or oblong, ± rounded above, narrowed below, sometimes ± 3-lobulate; petiole finely and densely hairy, 22–40 mm. long.. Male flowers in 2–60 mm. long 8–50-flowered racemes apical on 8–125 mm. long peduncles, often on contracted leafless stems; pedicels 2–12 mm. long; receptacle-tube 1.5 mm. long; lobes triangular-lanceolate, 1–1.2 mm. long; petals ± 2 mm. long, yellow with green veins.. Female flowers in ± sessile 1–20-flowered clusters, often on leafless contracted branches, sometimes coaxillary with ♂; pedicels 1–3 mm. long; ovary shortly hairy, often densely so, 3.5–4 mm. long, 1–1.5 mm. across; receptacle-tube ± 1 mm. long; lobes lanceolate-triangular, 1 mm. long; petals ± 1.5 mm. long.. Fruits 1–7, clustered, or sometimes more and then shortly and densely racemose, on 2–5 mm. long stalks, ovoid or conical, glabrous or minutely soft-hairy, red, 10–17 mm. long, 7–10 mm. across; beak short, up to 2 mm. long, or absent.. Seeds subglobose, smooth, bordered, 3 × 2.2–2.5 × 2–2.5 mm.. Fig. 24/10, p. 140.
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A climber. The roots are fibrous. It has long tendrils coiled like a spring. The leaves are broadly oval or heart shaped and 3-6 cm long by 4-9 cm wide. There are teeth along the edge and fine hairs on the leaf. Male flowers are near the ends and female flowers do not have stalks. They are in clusters. The fruit are oval and cone shaped and red. They are 1-1.5 cm long. The seeds are about 3 mm long. Plants vary a lot.