Leaf-lamina 1–13 × 1–13 cm., 3–5-lobed, rarely simple, glabrous or hairy (sometimes only beneath), truncate or cordate at the base; lobes up to 8·5 × 3 cm., ovate, elliptic, lanceolate or obovate, obtuse or acute at the apex, margin entire or ± remotely dentate; petiole 0·25–8 cm. long, sometimes with a few glandular teeth at the apex.
Cymes 1–2-flowered, the flowers greenish-cream with stipe 2–10 mm. long; peduncle 1–10 cm. long; bracteoles 0·5–4 mm. long, sometimes caducous or absent.
Persistent cotyledons up to 2 × 0·8 cm., elliptic, with slender petiole c. 6 mm. long.
Stamens 5(9), with filaments· 2–3 mm. long and sagittate anthers 1–1·5(2·5) mm. long.
Outer corona bluish, with the tube 1-·5–2·25 mm. high and threads 1·5–2·25 mm. long.
Annual or perennial, glabrous or pubescent erect or climbing herb 0·1–3 m. tall.
Sepals 3–8 mm. long, obtuse or acute at the apex, glabrous or hairy.
Ovary 0·65–2 mm. long; styles 3(4), free, 1–3 mm. long.
Capsule 1·5-–7 × 0·7 cm., ellipsoid, 1–5-seeded.
Inner corona 0·75–1·5 mm. high, cup-shaped.
Seeds 6–7 × 4 mm., subreniform, blackish.
Tendrils 1–15 cm. long, slender.
Hypanthium 1·5–4 mm. broad.
Stipules 3–15 mm. long.
False stipules absent.
Petals 2–6 mm. long.