<Dd> The edible portion is swollen leaves with a bit of stem . They are bulbs which, like garlic and leeks, are modified stems in which the primary storage tissue is expanded leaf bases . They come in white, yellow, and red varieties . </Dd> <Dl> <Dt> Potato </Dt> <Dd> The edible portion is an underground stem that is also a tuber . The "eyes" of the potato are lateral buds . Potatoes come in white, yellow, orange, or purple - colored varieties . </Dd> </Dl> <Dd> The edible portion is an underground stem that is also a tuber . The "eyes" of the potato are lateral buds . Potatoes come in white, yellow, orange, or purple - colored varieties . </Dd> <Dl> <Dt> Radish </Dt> <Dd> The whole plant is edible, but it is commonly grown for the root . </Dd> </Dl>

Which part of potato plant is used as vegetable