joe-pye weed
/ˌdʒəʊˈpaɪ/noun
mass noun
1- N. Amer. a tall perennial plant of the daisy family, which bears clusters of small purple flowers.〈北美〉紫泽兰。
1.1
- Eupatorium purpureum and E. maculatum, family Compositae.拉丁名Eupatorium purpureum 和E. maculatum, 菊科。
词源
early 19th cent.: of unknown origin.