Russian thistle
noun
1- N. Amer. a prickly tumbleweed which is an inland form of saltwort. Native to Eurasia, it was accidentally introduced into North America, where it has become a pest.〈北美〉细叶钾猪毛菜。
1.1
- Salsola pestifera, family Chenopodiaceae.拉丁名Salsola pestifera,藜科。