Photo: Helianthus tuberosus 3.

Tubers, dug up. Annala, Helsinki, Finland. Picked. 2003-04-30.
Helianthus tuberosus L. Engl.: Jerusalem artichoke, sunflower artichoke. Deu.: Topinambur. Suom.: maa-artisokka, mukula-artisokka. Sven.: jordärtskocka. Bot. syn.: Helianthus tomentosus Michx.
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Photo: Helianthus tuberosus 3.