"Yatsu-takane-azami" (Cirsium yatusalpina) belongs to the Asteraceae (the Aster family). It is a perennial herb that is distributed around the Yatsugatake Mountains, in Chubu district of Honshu. This herb grows in grasslands and forest edges of mountainous to alpine area, and its height is 70 to 150 cm. The cauline leaves are narrow-ovate to elliptic, pinnately clefts to partites, with 4 to 7 pairs of segments. The base of leaves hold the stems. The pale purple, 3-4 cm in diameter, flower-heads bloom from August to September. The bracts are bell-shaped to bowl-shaped and about 2 cm wide. The involucal bracts are 6-7 rows, long, erect and recurved. Because there are no glands, the bracts are not sticky.