Rubus cuneifolius is a plant species in the genus Rubus and belongs to the rose family of Rosaceae. This plant is commonly known as sand blackberry, wedge-leaved dewberry, or sand dewberry. Aside from the Latin name, this plant also has other names such as dwarf blackberry, sandbrier, and red-stemmed dewberry. The sand blackberry can be distinguished by its small size, white to pink flowers, and dark red or purplish berries. It usually grows in sandy soils, open areas, and around the edges of forests. This plant is commonly found in the southeastern United States, and it is often harvested for its flavorful berries.