Jerusalem Artichoke,it is also called sunroot, sunchoke, wild sunflower , topinambur,or earth apple.

Herb: Jerusalem Artichoke .
Latin name: Helianthus tuberosus .
Family: Compositae .
one of the easiest plant to grow it is almost maintenance-free with the exceptions of water .

The Jerusalem artichoke (Helianthus is one of its names, the Jerusalem artichoke has no relationship to Jerusalem, and it is not a type of artichoke, though the two are distantly related as members of the daisy family.

it is also called sunroot, sunchoke, wild sunflower , topinambur,or earth apple, it is a species of sunflower native to central North America .

almost a 100% return on investment from one tiny piece you'll get a hundred out of it ,
it is edible raw or cooked , it have a light delicious taste slightly crunchy , they became soft and mushy after I left them in the refrigerator for quite a few months , so I decided to plant them and wouldn't you know-it just about every one I planted germinated , A not so desired side effect of Jerusalem artichoke is flatulence , high fiber and probiotics in the Jerusalem artichoke have the tendency of building up abdominal gas .