[Historical and herbological investigation of Yinchenhao].

The description of "Yinchenhao" in Chinese and Japanese medical and pharmaceutical literature, Bencao, was historically examined.Yinchenhao was consistently considered an indispensable medicine for treating jaundice. It was estimated that in China, a shrubby Artemisia plant just like the Artemisia capillaris, or a related plant, was utilized as Yinchenhao in the Liuchao and Song dynasties.