"Shiiya-zasa" (Sasaella glabra) belongs to Poaceae (the Grass family). It is a "Sasa" (dwarf shrubby grass) that is distributed from the Chubu region of Honshu to the south in Japan. The culm is about 1 to 1.5 m long, and the leaves are lanceolate oblong and hairless on both sides. The culm sheath (bamboo sheath), leaf sheath, and internodes are also hairless. The Japanese name is named after Shiiya, Kashiwazaki City, Niigata Prefecture. No detailed information is available.