Photo: Helianthus tuberosus 9.

Flowers. Annala, Helsinki, Finland Planted. 2004-09-16.
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 9.