Prairie turnip

Prairie Turnip (Psoralea esculenta) is a perennial plant species native to North America. It is a member of the Fabaceae family, which includes peas and beans. The plant is known for its edible tuber, which has been a staple food for many Native American tribes for centuries.

Description

The Prairie Turnip grows up to 1-2 feet tall, with a single, hairy stem. The leaves are alternate, pinnately compound, with 5-9 leaflets. The flowers are blue to purple, blooming in late spring to early summer. The plant produces a large, fleshy tuber that can be up to 3 inches in diameter.

Distribution and Habitat

The Prairie Turnip is found throughout the Great Plains region of North America, from Canada to Texas. It prefers well-drained soils in prairies, open woods, and hillsides.

Uses

The tuber of the Prairie Turnip is edible and has been a significant food source for many Native American tribes, including the Lakota, Dakota, and Omaha-Ponca tribes. The tuber can be eaten raw or cooked and has a sweet, nutty flavor. It can also be dried and ground into a flour for baking.

Cultivation

While not commonly cultivated, the Prairie Turnip can be grown from seed. It prefers full sun and well-drained soil. The tubers can be harvested in the fall, after the tops of the plants have died back.

Conservation Status

The Prairie Turnip is not currently listed as threatened or endangered. However, habitat loss due to agriculture and development is a concern.

See Also

• Native American cuisine
• Great Plains
• Fabaceae

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