Apios americana, sometimes called the American groundnut, potato bean, hopniss, Indian potato (but not to be confused with other plants sometimes known by the name Indian potato), hodoimo, America-hodoimo, cinnamon vine, or groundnut (but not to be confused with other plants sometimes known by the name groundnut) is a perennial vine that bears edible beans and large edible tubers. Its vine can grow to 1–6 m (3.3–19.7 ft) long, with pinnate leaves 8–15 cm (3.1–5.9 in) long with 5–7 leaflets. The flowers are usually pink, purple, or red-brown, and are produced in dense racemes 7.5–13 cm (3.0–5.1 in) in length. The fruit is a legume (pod) 5–13 cm (2.0–5.1 in) long. Botanically speaking, the tubers are rhizomatous stems, not roots. Its natural range is from Southern Canada (including Ontario,