Invasive Plants of Oklahoma

Maps for confirmed county distributions in Oklahoma are by Oklahoma Biological Survey and should be considered works in progress.

Lonicera japonica, Japanese honeysuckle

Japanese honeysuckle is an evergreen, woody vine that can cover shrubs and trees. Introduced from Japan as an ornamental. Also used for deer and other wildlife forage. Opposite leaves. Fagrant, asymmetric tubular flowers are white turning yellow with age. Green berries ripen to blue black. It spreads rapidly by runners but is more distantly distributed by birds.