Tuber
Storage organ in plants / From Wikipedia, the free encyclopedia
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For fungal genus, see Tuber (fungus). For other uses, see Tuber (disambiguation).
Potatoes are sometimes called just "tubers".
Tubers are a type of enlarged structure used as storage organs for nutrients in some plants, derived from stems or roots. Tubers help plants perennate (survive winter or dry months), provide energy and nutrients, and are a means of asexual reproduction.[1]
Stem tubers manifest as thickened rhizomes (underground stems) or stolons (horizontal connections between organisms); examples include the potato and yam. The term root tuber describes modified lateral roots, as in sweet potatoes, cassava, and dahlias.