Jerusalem artichoke
noun
1
- a knobbly edible tuber with white flesh, eaten as a vegetable菊芋, 洋姜。
2
- the tall North American plant, closely related to the sunflower, which produces this tuber菊芋。
2.1
- Helianthus tuberosus, family Compositae.拉丁名Helianthus tuberosus, 菊科。
词源
early 17th cent.: Jerusalem, alteration of Italian girasole 'sunflower'.