Lathyrus tuberosus, also known as earthnut pea, tuberous pea, and wild sweet pea, is a plant species native to Europe and Asia. It is a member of the pea family and is grown for its edible tubers, which are similar to potatoes. The plant is also widely used as a forage crop for livestock. There are several synonyms for Lathyrus tuberosus, including Apios tuberosa, Glycine tuberosa, and Lotus tuberosus. In addition, the plant is known by various common names in different regions, such as Indian potato, ground nut, and earth almond. Lathyrus tuberosus has been a popular food crop throughout history, and its use continues today in various culinary and agricultural applications.