Cogon grass ( Imperata cylindrica ) is a species of plant in the Poaceae, an annual grass, sharp leaves, long and scaly shoots, creeping underground, white or purplish flowers, very adaptive and grows in all climates. I. cylindrica has sharply pointed shoot tips that emerge from the ground, up to 3 meters high, short stems, rising above the ground surface. Leaves are long ribbon-shaped, pointed tip, narrow base, up to 100 cm long, very rough and sharply serrated edges, long hairs at the base and wide veins. Inflorescences in panicles, up to 28 cm long, spikes long-haired and white to 1 cm. The seeds spread quickly with the wind or via rhizomes that quickly penetrate the soil. This species grows in tropical to subtropical areas, elevation up to 2000 meters, temperature 20-40C, rainfall 500-3500 mm/year, pH 4-7.5, lots of sunlight to a bit of shade. This plant dominates open land, former forests, dry rice fields, roadsides and so on. This plant contains mannitol, glucose, sacharose...