Yu Bai Zhi (angelica dahurica), Xuchang
Yu Bai Zhi is the trade name for angelica dahurica of Yuzhou. It’s the dry root of the Umbellifarae plant, angelica dahurica. Yu Bai Zhi is a traditional plant of Yuzhou and a collective name for angelica daurica produced in Yuzhou and its surrounding areas. The plant of Bai Zhi is in a shape of taper cone. Roots of Bai Zhi have concentric circle textures, yellow-grey and yellow-brown and brown spotted skins, and white powder cross sections, and the xylem is about one third of cross sections.
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