An onion was a type of plant lifeform. In Earth cuisine, different types of onion are utilized as an ingredient in food preparation. Typically divided by layers, the root of onion plants are generally edible by humanoid lifeforms. There are numerous varieties native to Earth, as well as others originating from other planets.

Figurative referencesEdit

The psychology used in a Sigmund booth supposed that a person's mind was layered like an onion. (TOS novel: Vulcan!)

TypesEdit

• pigweed shallot