👉 Nitophyllum is a genus of flowering plants in the family Poaceae, commonly known as the grasses or annuals. These plants are native to North America and Europe, with some species found across Asia and Africa. They have flat leaves that can range from small to large, often with petioles (leaf tips) and veins (roots). Nitophyllum is characterized by its long, slender stems, which may reach up to 10 feet tall in some species.