Ctenodon brasilianus, commonly known as Brazilian Toothpick Grass, is a perennial grass native to the open grasslands and savannas of South America, particularly in Brazil. This species is adapted to a warm climate and thrives in areas with well-drained soils. It is characterized by its fine-textured, needle-like leaves and can reach a height of up to 3 feet (1 meter) with a similar spread. The grass produces inconspicuous flowers that are typically wind-pollinated and not particularly showy.

Brazilian Toothpick Grass is valued for its drought tolerance and its ability to thrive in poor soils, making it a suitable choice for xeriscaping and low-maintenance landscapes. It is often used for erosion control, as ground cover, and in naturalized areas where its fine foliage texture can contrast with broader-leaved plants. In cultivation, it requires minimal water once established and prefers full sun to part shade. While it is not commonly afflicted by diseases, it can become invasive if not managed properly, spreading through both rhizomes and seed. Gardeners should be cautious when planting it in regions outside its native range to prevent unwanted spread.CC BY-SA 4.0