Trailing herb. Stems annual, herbaceous, pubescent, arising from a small perennial tuber. Leaf-blade reniform-orbicular or pentagonal in outline, cordate, obscurely sinuate to distinctly sinuate-toothed, slightly fleshy, glabrous or sparsely hairy especially on the nerves beneath, 7–30 mm. long, 12–47 mm. broad, 5-angled or obscurely 5-lobed; petiole pubescent, 5–40 mm. long. Tendrils simple. Monoecious. Male flowers 1–4 apical on a 1–20 mm. long peduncle, subtended by a minute bract; pedicels 3–8 mm. long; receptacle-tube obconic, 1.5–3 mm. long; lobes lanceolate, acute, pubescent, 3–6 mm. long; petals yellow, 7.5–12 mm. long, 3–8 mm. broad, 2 with scales inside at the base; stamens 3 or 2; thecae arcuate. Female flowers on ± 5 mm. long stalks; ovary fusiform, glabrous or pubescent, 5–12 mm. long, 1.5–2 mm. across; lobes linear, 2.5–3 mm. long. Fruit on a 6–45 mm. long stalk, fleshy, fusiform, shortly beaked, pubescent, 16–27 mm. long, 7–10 mm. across, longitudinally ribbed. Seeds subglobose, 6–7 × 4–5 × 3–5 mm., rugose-appendaged at one end; testa smooth, obscurely sculptured in very low relief.
