Turkey foot grass, or Big bluestem is part of the Poaceae (Grass) family. The flowering stalks average 3 to 6 feet tall but occasionally grow up to 9 feet tall. The flowers are usually in 3 dense, elongate clusters from a common point that resembles a turkey foot. This plant grows in moist or dry open places and is a major constitutent of the tall-grass prairie. It can form extensive turfs and is used as a major forage and hay grass. Native Americans used the plant to treat digestive problems.