"Me-hajiki" (Leonurus japonicus) belongs to the Lamiaceae (the Mint family). It is a biennial herb that is distributed from Honshu to Shikoku and Kyushu in Japan, the Korean Peninsula, China, Taiwan and Southeast Asia. This herb grows in wilderness, river beds, etc., and its height is 50-150 cm. There are largely different in basal and cauline leaves. The basal leaves are round and divided into 3-7 lobes palmately, the cauline leaves are trilobate in the middle part and small lanceolate or linear in the upper part. The pale red-purple flowers bloom in the upper axils from July to September.