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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 modified stem forms at the end of a lateral branch. Auxiliary buds are located at the nodes. When the buds develop, adventitious roots and rhizomes form below them.
This should not be confused with a tuberous root such as a sweet potato or Dahlia, which is a similarly swollen root.
A good inventory of tuber varieties is offered on the Cook's Thesaurus site.
See also
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