About 20-25 species of deciduous vines often having tendrils, branches have lenticels and white pith.  Leaves opposite, simple or compound.  Flowers small greenish, usually 5 parted, in long stalked clusters (cyme).  Fruit a berry with 1-4 seeds.  Native to North America and Asia.
Ampelopsis: from the Greek ampelos, grape, and opsis, appearance, a reference to its resemblance to grape vine.

Vitaceae (Grape Family)