Onion is a perennial plant from the Onion family. Onions differ from green onions in that this plant develops primarily as a bulb. In green onions, on the contrary – the onions are very small, but there is a lot of greenery.
Onions were first mentioned in the 4th millennium BC. The Sumerians and Egyptians considered this plant almost sacred; the bulbs served as an offering to the gods and pharaohs. They even swore on the onion – and then kept the onion. It could not be eaten, since it acted as a guarantor of honesty.