Leersia hexandra Sw. - Tribe - Oryzeae
Genus Leersia consists of 18 species with Pan Tropical in distribution. In India it is represented with three species. Leersia
hexandra, commonly known as Southern cutgrass or umbrella grass, is a perennial
wetland grass native to the southeastern United States. Southern cutgrass
typically grows in wetlands and swamps, where it forms dense stands that can
reach up to two meters in height. It has long, narrow leaves that grow
alternately along the stem and can range in colour from green to
purplish-brown. The inflorescence of Southern cutgrass consists of several
branches that spread outwards like an umbrella, giving the plant its common
name. The branches bear small, spike-like flowers that are arranged in pairs
along the stem.
Southern
cutgrass plays an important role in wetland ecosystems, where it provides
habitat and food for a variety of wildlife species. Its dense stands help
stabilize soils and prevent erosion, while also improving water quality by
filtering pollutants and excess nutrients. In addition, Southern cutgrass has
been used by humans for a variety of purposes, including as a source of thatch
for roofing and as a food for livestock.
Leersia
hexandra is found naturally in India. In India, Southern cutgrass is mainly
grown as a forage crop for livestock. It is highly valued for its high
nutritional content and palatability, and is often used as a supplementary feed
for cattle and other grazing animals. Southern cutgrass is also used as a soil
binder and cover crop to prevent erosion in areas with high rainfall or steep
slopes.
In
addition to its agricultural uses, Southern cutgrass is also cultivated as an ornamental
plant in India. Its attractive foliage and unique inflorescence make it a
popular choice for landscaping and garden design. However, it is important to
note that Southern cutgrass can become invasive in some areas and may require
management to prevent it from spreading beyond its intended location.
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