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Leaves (3) 5-foliolate or very occasionally simple and 5-lobed; petiole up to 13 cm. long, glabrous, finely striate; leaflets subsessile (or petiolule of terminal leaflet up to c. 5 mm. long); leaflet-lamina up to 22 × 11 cm., membranous, the lateral ones somewhat smaller than the terminal one, terminal leaflet narrowly obovate, lateral ones elliptic with the basal pair often asymmetric, apices acuminate, margins strongly serrate or serrate-crenate, bases cuneate, glabrous on both sides, paler below.
A large climber. The stems are hollow and have fine lines along them. The leaves have 5 leaflets. They can be simple and have 5 lobes. The leaflet blade is 22 cm long by 11 cm wide. The side leaflets are smaller. The flowers are in a branched cluster. They are on a stalk 11 cm long. There are tendrils below the flower stalk. The fruit is about 1 cm long. They are narrowly oval. The seeds are dark brown and 9 mm long by 4 mm wide.
Inflorescence of rather lax much-branched paniculate cymes; peduncle up to 11 cm. long, glabrous, tendril branching from peduncle c. 1·5 cm. below the base of the inflorescence-rhachis; rhachis and all branches of inflorescence puberulous; pedicels up to 2 mm. long, puberulous.
Stamens shorter than the corolla lobes with wine-coloured filaments and yellow anthers.
Liane or climber with cylindric hollow glabrous finely striate stems.
Disk wine-coloured, cupular and almost hiding the pentagonal ovary.
Calyx 1 mm. in diam., salver-shaped, glabrous, entire or undulate.
Petals wine-coloured (or cream), 1 mm. long, oblong, glabrous.
A large herbaceous climber with glabrous, striate stems
Seeds dark brown, up to 9 × 4 mm., oblong-ellipsoid.
Fruit c. 1 cm. long, ellipsoid.
Inflorescence crowded, reddish
Fruits smooth, grape-like
