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expanded to tuberous roots; added reference
A '''tuber''' is a short, thickened underground [[stem]] of some [[plant]]s. During [[dormancy]], the plant dies back to the tuber, which stores [[nutrient]]s for the next growing season's growth. The best known tuber is the [[potato]]; also, many [[Gardening|ornamental]] plants such as the [[caladium]] grow from tubers.
A '''tuber''' is a short, thickened underground [[stem]] of some [[plant]]s.<ref>[http://www.qualityflowerbulbs.com/page/tubers Root Tubers and Stem Tubers]</ref> During [[dormancy]], the plant dies back to the tuber, which stores [[nutrient]]s for the next growing season's growth. The best known tuber is the [[potato]]; also, many [[Gardening|ornamental]] plants such as the [[caladium]] grow from tubers.
A similar structure, a '''tuberous root''' or '''root tuber''', is formed from [[root]] rather than stem tissue. Examples of plants with tuberous roots are the [[sweet potato]] and the [[dahlia]].
==References==
<references/>
[[Category:Botany]]
[[Category:Botany]]