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The Russian wormwood (Artemisia iwayomogi) belongs to Asteraceae (the Aster family). It is a perennial herb that is distributed to Hokkaido in Japan, the Korean Peninsula, China, and southern Siberia. It grows in rocky and gravelly areas from the coast to mountains, and grows 50 to 100 cm tall. The base of the stem is woody and well branched. The leaves are deeply pinnately lobed, especially the middle leaf on the stem, which is twice pinnately compound. From September to October, inconspicuous flowers bloom in inflorescences from the leaf axils at the top of the stem or in the upper part of the leaf. In recent years, it has begun to naturalize in Honshu due to the afforestation of forest roads and other slopes. In Chinese, it is called "白蓮蒿" (bai lian hao).
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