Jerusalem artichoke
| Jerusalem artichoke | |
|---|---|
| Stem with flowers | |
| Jerusalem artichokes cooking | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Asterales | 
| Family: | Asteraceae | 
| Genus: | Helianthus | 
| Species: | H. tuberosus  | 
| Binomial name | |
| Helianthus tuberosus | |
| Synonyms | |
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The Jerusalem artichoke (Helianthus tuberosus), also called sunroot, sunchoke, wild sunflower, topinambur, or earth apple, is a species of sunflower native to central North America. It is cultivated widely across the temperate zone for its tuber, which is used as a root vegetable.