Distribution
Austria (introduced), Georgia (introduced), Greece (introduced), Ukraine (introduced), United States of America

North America; introduced in Europe.

Plants to 3(-7) m. Leaves: petiole 1-6 cm; blade lanceolate to ovate, to 35 × 18 cm, base rounded to cordate, apex acuminate. Racemes open, proximalmost pedicels sometimes bearing 2-few flowers, erect to drooping, 6-30 cm; peduncle to 15 cm; pedicel 3-13 mm. Flowers: sepals 5, white or greenish white to pinkish or purplish, ovate to suborbiculate, equal to subequal, 2.5-3.3 mm; stamens (9-)10(-12) in 1 whorl; carpels 6-12, connate at least in proximal 1/2; ovary 6-12-loculed. Berries purple-black, 6-11 mm diam. Seeds black, lenticular, 3 mm, shiny. 2n = 36.