Eriochloa procera, commonly known as Cup Grass, is a species of grass belonging to the Poaceae family. This annual or perennial grass is recognized for its distinctive inflorescence and its role in various ecosystems. Physically, Eriochloa procera is an erect to spreading grass that can reach heights of 30 to 150 centimeters. Its stems are typically smooth and can be branched. The leaves are linear, measuring between 10 to 30 centimeters in length and 5 to 15 millimeters in width, with a rough texture on the upper surface and smooth on the lower. The ligule is a fringe of hairs. The inflorescence is a panicle, often appearing somewhat contracted, with spikelets arranged along the branches. A notable feature of the spikelets is the presence of a cup-shaped structure at their base, which gives the grass its common name. The glumes are unequal, with the lower glume being much shorter than the upper glume, which is often boat-shaped and encloses the fertile floret. The caryopsis, or grain, is oblong and typically measures around 1.5 to 2 millimeters in length. Eriochloa procera is native to tropical and subtropical regions of Africa, Asia, and Australia. It thrives in a variety of habitats, often found in moist areas such as grasslands, savannas, disturbed sites, and along the edges of water bodies. It prefers well-drained soils but can tolerate a range of soil types. While it is a wild species, its adaptability means it can also be found in cultivated areas, sometimes as a weed. The ecological significance of Eriochloa procera lies in its contribution to grassland ecosystems, providing forage for herbivores and habitat for various invertebrates. In some regions, it has been noted for its potential as a pasture grass due to its relatively palatable foliage. However, its weedy tendencies in certain agricultural contexts have also been documented. There is limited scientifically documented information regarding its ornamental, medicinal, culinary, or significant economic uses beyond its role in natural forage. An interesting characteristic of Eriochloa procera is the morphology of its spikelets, particularly the prominent cup-like structure formed by the glumes. This adaptation may play a role in seed dispersal or protection. The grass's ability to establish in disturbed areas highlights its resilience and capacity for rapid colonization under favorable conditions. Its life cycle, whether annual or perennial depending on environmental factors, further contributes to its ecological adaptability.