Allium fistulosum

Allium fistulosum, commonly called the Welsh onion, is a species of perennial plant often treated as a kind of scallion. It is also known by many other common names, including bunching onion, long green onion, Japanese bunching onion, stone leek, rock onion and spring onion. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/