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Imperata cylindrica Cogon Grass Alang alang Panicoideae
 

 

Imperata cylindrical, Cogon Grass, Panicoideae, Alang alang	Cogon Grass
It is a perennial rhizomatous grass native to southeast Asia (Japan and China south to the Philippines and New Guinea). It grows from 0.6-3 m (2-10 feet) tall. The leaves are about 2 cm wide near the base of the plant and narrow to a sharp point at the top; the margins are finely toothed and are embedded with sharp silica crystals. The main vein is a lighter colour than the rest of the leaf and tends to be nearer to one side of the leaf. The upper surface is hairy near the base of the plant while the underside is usually hairless. Roots are up to 1.2meters deep, but 0.4 m is typical in sandy soil.
Cultivation and uses
It is used for thatching the roofs of traditional homes .
It is planted extensively for ground cover and soil stabilization near beach areas and other areas subject to erosion. Other uses include paper-making, thatching and weaving into mats and bags.
However, its most common usefulness may be seen in its medicinal properties which include astringent, febrifuge, diuretic, tonic and styptic action.
Young inflorescences and shoots may be eaten cooked, and the roots contain starch and sugars and are therefore easy to chew.

  

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