It is a common volunteer in fence rows. It suckers from roots, and plants may emerge in sidewalk cracks and around foundations. Trumpetcreeper is native to, and has naturalized over, much of the of the eastern half of the United States. The compound leaves of trumpetcreeper may be similar to the sumacs, Rhus spp. Toxicodendron radicans, poison-ivy, is a vine with compound leaves with 3 leaflets per leaf.
Oriental bittersweet is a climbing deciduous woody vine.
The leaves are alternate, simple, and have bluntly toothed margins. The leaves are often round to obovate. Inconspicuous greenish white flowers in the spring yield red, berry-like fruits enclosed in yellow capsules during the fall. An invasive twining vine, Oriental bittersweet climbs over other plants and structures. It has been known to kill shrubs and small trees by girdling their stems.