artichoke
ar·ti·choke / ˈɑrtɪˌtʃok ; ˈɑ:tətʃəʊk /noun C
1. also globe artichoke a type of round green vegetable, which has BUDS with leaves that you eat, which are like the PETALS of a flower朝鲜蓟，洋蓟
2. also Jerusalem artichoke a plant that has a root like a potato that you can eat菊芋，洋姜