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本帖最后由 wiki1 于 2015-8-20 13:37 编辑
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The Jerusalem artichoke (Helianthus tuberosus), also called 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.[2] It is also cultivated widely across the temperate zone for its tuber, which is used as a root vegetable. m5 N5 y( y5 ^/ J- O7 P
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