The Korean lawn grass (Zoysia japonica) belongs to Poaceae (the Grass family). It is a perennial herb that is distributed in various parts of Japan, the Korean Peninsula, and China. It grows on sunny grasslands. The stems are wire-like and long, crawling on the ground and clustering. The leaves are linear and pointed. From May to June, the flower stalks are streched and thin brown spikes are borne. The Japanese name "Shiba" is said to mean "thin leaves" or "lush leaves".