| − | 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. |