The Amur silver-grass (Miscanthus sacchariflorus) belongs to the Poaceae (the Grass family). It is a perennial herb that is native to throughout Japan, as well as the Korean Peninsula and China. This grass grows in the bogs of water's edges and can reach 1-2.5 m in height. The rhizomatous roots extend transversally and the grass grows often in large clumps. The leaves are long linear, 50-80 cm long, and clumping. The large spikes, 25-40 cm long, are borne from September to October. It was widely used as a roofing materials at one time.