"Hogotai" (Echinops setifer) belongs to Asteraceae (the Aster family). It is a perennial herb that is distributed in Aichi-Gufu Prefecture, Hiroshima Prefecture of Honshu, Shikoku, Kyushu and the southern Korean Peninsula. This tree grows on meadows in mountainous areas, and is about 1 meter high. The leaves are oblong, divided into deep segments pinnately, with spiny toothed edges. The blue, spherical, about 5 cm in diameter flower-heads bloom from August to October.