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
A bundle of "red scallions"
A germinating scallion, 10 days old
A close-up view of spring onions (note the larger bulbs)
The tree onion is a perennial plant similar to the common onion, but with a cluster of bulblets where a normal onion would have flowers. Tree onions are also known as Spring onions, Green onions, tops