Decumaria Barbara is a type of climbing vine, also known as the climbing hydrangea. This plant is popular due to its ability to climb and attach itself to walls, fences, and other structures. It has glossy green leaves, with fragrant white flowers that bloom in the summer. If you're looking for synonyms for Decumaria Barbara, you could refer to it as the woodvamp, woodvamp hydrangea, or even the native climbing hydrangea. Whatever you choose to call it, this plant is a beautiful addition to any outdoor space thanks to its ability to add a touch of rustic charm.