Sitka burnet (Sanguisorba stipulata) belongs to the Rosaceae (the Rose family). It is a perennial herb that is native to Chubu-Kanto district of Honshu, Hokkaido, and also the Korean Peenisula, northeastern China, East Siberia and North America. This herb grows on alpine screes or grasslands, and can reach 40-80 cm in height. The basal leaves are impari-pinnate with 9-15 elliptic to ovate-elliptic leaflets. The leaf blades have coarse acute margins. The erect spicate inflorescences are borne and the white flowes bloom from August to September. The flower is non-petaled and consists of four-lobate calyces, four stamens and a stigma.