Scallions are edible vegetables of various species in the genus Allium. Scallions generally have a milder taste than most onions. Green onions/scallions have a long, delicate green stem that is white near the root. They have no bulb and a mild, sweet onion flavour. Their close relatives include garlic, shallots, leeks, chives, and Chinese onions. The leaves are eaten both raw and cooked.