Apios priceana is a rare species of flowering plant in the legume family known by the common names Price's potato-bean, Price's groundnut, and traveler's delight. It is a climbing yellow-green vine growing from a stout, potato-like tuber. The plant is native to the Southeastern United States.
Description
The vines may be up to long. It has a large underground tuber, distinguishing it from other Apios species. The leaves are alternately arranged on the stem, about long, and comprising seven leaflets. The fragrant pale pink or greenish-yellow pea-like flowers bloom in the summer. The fruit is a long slender pod about long.
Distribution and habitat
The plant is native to the U.S. states of Alabama, Mississippi, Kentucky, and Tennessee. It occurred in Illinois in the past but its population there was destroyed.