That part is accurate, because Jerusalem artichoke indeed is a sunflower ( Helianthus tuberosus ).
2.
Native Americans domesticated the wild perennial sunflower " Helianthus tuberosus " by selecting individuals with larger tubers.
3.
A . A mature Jerusalem artichoke ( Helianthus tuberosus ) plant is 8 to 12 feet tall and about a yard wide.
4.
Larvae in association with humans will feed on a variety of dry organic material, such as dried fruit ( e . g . bilberries, " Vaccinium " ) and mushrooms, cereal and legume seeds, flour, Topinambur ( " Helianthus tuberosus " ) stalks, and even corks of wine and champagne bottles ) and the ergot fungus " Claviceps purpurea ".
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