text: can you give me 20 examples of vegetables and tell me about them and what kingdom they came from?   all vegetables come from the plant kingdom...  whether something is considered a fruit or vegetable dependsrutabagales you are talking to a nutritionist or a biologist (the most cocauliflowerle is a nutritionist categorizes a tomato as a vegetable and a biologist categorizes it as a fruit.)  if you want to stay safe and avoid anything a biologist calls a fruit (i.e. "a ripened ovary"), go with leafy vegatables and tubers such as: spinach, lettuce, kale, kolarobi, carrots, potatoes, bok choy, cabbage, onion, swiss chard, parsley, turnip, rutabega, parsnip, celery, endive, fennel, mustard greens, broccoli, and cauliflour (the last two are immature flowers).