Herbaceous often ± succulent climber or scrambler 3–6 m. long, from a fleshy ellipsoid or turnip-shaped rootstock up to 60 cm. long; all parts puberulous to tomentose or velvety and occasionally with stalked glands; stems often reddish; tendrils often crimson or red.. Leaves 3–5-foliolate; leaflets ovate to elliptic, obovate or ± round, 1.5–15 cm. long, 1–10 cm. wide, rounded to acute or ± acuminate at the apex, cuneate to subcordate at the base, very coarsely toothed or crenate, pubescent above, pubescent to velvety beneath; petiole 1–6.5 cm. long; petiolules 0.3–1.2(–3.5) cm. long; stipules oblong-falcate, 8–10 mm. long, 3.5–4.5(–8) mm. wide, acute, pubescent.. Cymes lax, 4–20 cm. long and wide; peduncle 2.5–13.5 cm. long; pedicels 1–8 mm. long, lengthening to 11 in fruit, densely pubescent-tomentose and often with few gland-tipped hairs; bracts and bracteoles lanceolate, 1 mm. long.. Buds cylindrical, 2–5 mm. long, swollen at apex, pubescent to tomentose.. Calyx 1.5 mm. wide, densely pubescent.. Petals green, yellow or cream, often tinged red, linear-triangular below, widened and cucullate at apex.. Disk-glands yellow or orange-yellow.. Fruit scarlet, ellipsoid, obovoid or subglobose, 0.7–1.4 cm. long, 4–9 mm. wide, puberulous to tomentose or densely softly pubescent with obviously multicellular hairs.. Seeds ellipsoid to subglobose, 4–10 mm. long, 3–6 mm. wide and thick; ventral ridge evident and angled, pronounced basally, somewhat widened and obtuse in middle; mid-dorsal evident but laterals narrower and more pronounced, obscurely rugulose between; sides with ± 3 transverse ridges and surface rugose; the ridges and crests are variable in their distinctness.
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A climbing herb. It has a tuberous root. The stems have lines along them. They are hairy. There are tendrils. The leaves have 3-5 leaflets. They are hairy. The leaflets are 8 cm long by 6 cm wide. They are broadly oval. There are coarse rounded teeth along the edge. The flowers are in loose groups on branched stalks. The petals are creamy-green. The fruit is 1 cm long by 0.5 cm wide. They are oval and hairy. There is one seed 7 mm long by 5 mm wide.
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