The Lizard's tail (Houttuynia cordata) belongs to Saururaceae (the Lizard's tail family). It is a perennial herb that is native throughout Japan, as well as the Korean Peninsula, China and the Himalayas. This herb grows in waste shade places and spreads and crowds by elongated rhizomes. It can reach 15-30 cm in height, the leaves are alternate and cordate. The white flowers come in May to July. The involucres look like petals. It has a distinct odor and used for Chinese herbal medicine. Usually, there are four involucral scales, but there is also "Yae-dokudami" which has many involucral scales, and there is a transitional type as shown in the 7th and 8th photos. In Taiwanese Chinese, it is called "蕺菜" and in Chinese "蕺菜" (ji cai).