Tuberous vetch is a type of legume that has a tuberous root, providing it with the ability to survive in dry conditions. Some synonyms for tuberous vetch include bittersweet vetch, gopher pea, hog-plum, earth nut, and sweet vetch. These names refer to the plant's hardiness as it can endure harsh conditions and serve as a food source for wildlife. Additionally, tuberous vetch can be used in various ways such as for erosion control, nitrogen fixation, and forage for livestock. These synonyms are useful for identifying different types of vetch and for exploring the diverse uses of this versatile plant.