Tuber

:For the fungal genus, see Truffle.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

A tuber is a part of a rhizome thickened for use as a storage organ. It is usually, though not always, subterranean, such as a potato.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

This should not be confused with a tuberous root such as a sweet potato or Dahlia, which is a similarly swollen root.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• Rhizome
• Corm
• Bulb

Rhizome: In botany, a rhizome is a usually-underground, horizontal stem of a plant that often sends out roots and shoots from its nodes. They are also referred to as creeping rootstalks, or rootstocks. A stolon is similar to a rhizome, but exists above ground, sprouting from an existing stem....

Storage organ: A storage organ is a part of a plant specifically modified for storage of energy (generally in the form of carbohydrates) or water. Storage organs often grow underground, where they are better protected from attack by herbivores. Underground storage organs and the plants that bear them are sometim...

Subterranean: Subterranean can also refer to something below the Earth's surface...