In addition to the bulb being eaten, the stalk is also used as you would the stalks of chives or leeks.
Grown in France, particularly Rungis.
Very small pearl onions.
Believed to have originated in Europe.
A grelot in French is a small, round bell. For instance, a sleigh-bell is called a grelot; “attacher le grelot” means “to bell the cat”.