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Vines perennial, herbaceous, unarmed, glabrous or sparsely pubescent. Leaves unequal paired, sometimes compound with 1 or 2 pairs of leaflets proximal to main leaflet; petiole 1-2 cm; leaf blade elliptic or ovate-hastate, 4-11 × 2-8 cm, sparsely pubescent, base hastate or with 1 or rarely 2 lobes, margin entire, apex acuminate. Inflorescences extra-axillary, lax, open, many-flowered panicles; peduncle 1-3 cm, branched. Pedicel 5-12 mm, sparsely pubescent. Calyx 1.5-2 × 2-3 mm; lobes deltate, sparsely pubescent. Corolla purple, usually with a yellow eye, 5-8 mm; lobes elliptic-lanceolate, ca. 5 mm. Filaments ca. 0.5 mm; anthers connate, 2-3.5 mm. Style slender, ca. 5.5 mm. Berry red, globose or ovoid, 6-8 mm in diam. Seeds discoid, 1.5-2 mm in diam. Fl. summer, fr. autumn.
Rhizomatous perennial, shrubby below, climbing or scrambling to 1–3 m, moderately short-hairy to glabrous; lvs petiolate, some simple and with rather broadly ovate-subcordate blade 2.5–8 × 1.5–5 cm, others with a pair of smaller basal lobes or lfls; peduncles 1.5–4 cm, 10–25-fld, the infl 3–8 cm wide, jointed, bractless, often subdichotomously branched; cor light blue or violet, the lobes 5–9 mm (each with 2 shiny green basal spots), soon reflexed; anthers conspicuous, yellow; fr poisonous, bright red, 8–11 mm; 2n=24, 48, 72. Thickets, clearings, and open woods, often in moist soil; native of Eurasia, naturalized throughout our range.
Scrambling perennial shrub, green, slightly to densely pubescent with glandular or simple, non-glandular hairs; prickles absent. Leaves broadly ovate to ovate-lanceolate; lamina 5.5–8 cm long, 3–4 cm wide, concolorous, entire or upper leaves lobed at base; petiole to 15 mm long. Inflorescence branched, to 20–flowered; peduncle up to 3 cm long to first fork; pedicels 5–10 mm long. Calyx 2–3 mm long; lobes short. Corolla stellate, 10–12 mm diam., bluish. Anthers 4–4.5 mm long. Berry ovoid, 5–8 mm diam., bright red. Seeds 2 mm long, pale straw-coloured.
A climbing shrub.
