Indian Rattlebox is a common name given to the plant species Crotalaria sagittalis. This plant is also known by several other names such as Arrow-leaf Rattlebox, Rattlebox Weed, and Rattlebox. These names refer to the distinctive seed pods of the plant that rattle when they are ripe. Other synonyms for Indian Rattlebox include Crotalaria lanceolata, Crotalaria linearifolia, and Crotalaria sagittata. Indian Rattlebox is a member of the pea family and is native to the southeastern United States. The plant is often considered a weed as it can be invasive and toxic to livestock if consumed in large quantities.