Sorghastrum is a genus of perennial grasses commonly known as goldenrods or Indian grass. These plants are native to North America and are often found in prairies, meadows, and open woodlands. They are characterized by their tall, upright growth and feathery flower heads that bloom in late summer to fall. The most well-known species within this genus is Sorghastrum nutans, also called Indian grass. This grass plays a vital role in its ecosystem, providing habitat and food for various wildlife. Additionally, it is used in erosion control and as forage for livestock, making it an important plant in agriculture and conservation efforts.