"Root - cooked[2, 27]. The root is likely to be rich in inulin, a starch that cannot be digested by humans. This starch thus passes straight through the digestive system and, in some people, ferments to produce flatulence[K]."

"Harvested before the plant flowers, it was formerly used as a table vegetable[183]"

"Young leaves - cooked and used as a vegetable[2, 46, 61, 100, 105, 183]"