Hedysarum alpinum

Hedysarum alpinum is a species of flowering plant in the legume family known by the common name alpine sweetvetch, bear root, or eskimo potato. It is called masu, mashu, masru or mazu in the Iñupiaq language. It has a circumpolar distribution, occurring throughout the northern latitudes of the Northern Hemisphere. In North America it is widespread in Canada and the northernmost United States, including Alaska.