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Jerusalem artichoke (Helianthus tuberosus) | by ©HTO3
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Jerusalem artichoke (Helianthus tuberosus)

The Jerusalem artichoke (Helianthus tuberosus), also called the sunroot, sunchoke, earth apple or topinambour, is a species of sunflower native to eastern North America, and found from eastern Canada and Maine west to North Dakota, and south to northern Florida and Texas.[1] It is also cultivated widely across the temperate zone for its tuber, which is used as a root vegetable.

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Taken on March 10, 2012