Erect or ± straggling herb 0.45–1.3 m. tall from a woody rootstock; stems rather stout, reddish at nodes, grooved, with loose ferruginous indumentum or glabrescent but no glands; tendrils absent.. Leaves digitately 3–5-foliolate, sessile or subsessile; leaflets narrowly elliptic-lanceolate, obovate-oblanceolate or ovate to oblong-elliptic, 5.5–41 cm. long, 1–16.5 cm. wide, acute to subacute at the apex, narrowly attenuate or cuneate, serrate, glabrous above, densely ferruginous pubescent beneath when young but later glabrescent or ± glabrous except for venation; petioles up to 3 cm. long; stipules reddish, triangular, 0.7–2 cm. long, 2.5–8 mm. wide, acuminate, densely pubescent to glabrescent, hairy on margins.. Cymes terminal or in upper axils, 2–3-fid, often appearing when leaves are young, 3–16 cm. wide; all axes ferruginous pubescent; peduncle 2.5–10 cm. long; pedicels 2–5 mm. long, the pole one in centre of cyme often ± 1 cm. long, densely pubescent to ferruginous pilose; bracts and bracteoles linear, 1–2 mm. long, ferruginous pubescent.. Buds shortly oblong, 2–2.5 mm. long, ± constricted near middle, subglabrous and granular and with base and sutures pilose.. Calyx 2 mm. wide.. Petals greenish yellow or yellow, tipped with red, ± 2.5 mm. long.. Ovary sparsely puberulous or glabrous.. Fruit yellow-brown, flushed reddish brown, or purplish black, subglobose, 1–1.2 cm. long, 7–8 mm. wide, glabrous.. Seed obovoid, 8 mm. long, 5–7 mm. wide, ventral crest and 5–7 transverse ribs usually strong but dorsal ribs obscured by tuberculation.
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An erect herb. It grows 1.3 m tall. The stems are rather stout. There is a brown rusty covering. It does not have tendrils. The leaves are divided into 3-5 leaflets like fingers. The leaflets are 25 cm long by 14 cm wide. They are narrowly oval. There are teeth along the edge. The groups of flowers are in the upper axils of leaves or at the top of the plant. The fruit are purple-black. They are 1.2 cm long by 0.8 cm wide. There is 1 seed 0.8 cm long by 0.7 cm wide.
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