Genus Decumaria is a type of woody vine that belongs to the family Hydrangeaceae. Some of the synonyms for this species include the common name "woodvamp," as well as the botanical names Hydrangea decumaria and Decumaria barbara. The plant is native to southeastern United States and is known for its attractive flowering clusters and glossy green leaves, which turn a bronze color in the fall. In addition to its ornamental value, Genus Decumaria is also valued for its medicinal properties. It has traditionally been used to treat a wide range of ailments including skin disorders, respiratory conditions, and digestive issues.