Botanical Name – Dipsacus asperoides
Chinese Name – XU DUAN
English Name – Japanese Teasel Root
Dipsacus is a genus of flowering plant in the family Caprifoliaceae. The members of this genus are known as teasel, teazel or teazle. The genus includes about 15 species of tall herbaceous biennial plants (rarely short-lived perennial plants) growing to 1–2.5 metres tall.
Teasels are easily identified with their prickly stem and leaves, and the inflorescence of purple, dark pink or lavender flowers that form a head on the end of the stem(s).
The plant is Native to East Asia, in particular China and Japan.