1. Onions are plants belonging to the leek subfamily Chives of the daffodil family. It is presumed to be native to West Asia or the Mediterranean coast, and it is said that the cultivation history is more than 4,000 years old. As its name and taste suggest, it is a species similar to Allium fistulosum. If stored for a long time, green onion stems may grow from the stomach. There are round ones a..