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tuber plant
Carrot
Cassava
Ginger
Maca
Potato
Radish

Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to regrow the next year and as a means of asexual reproduction. Two different groups of tubers are: stem tubers, and root tubers.

A tuberous root or storage root, is a modified lateral root, enlarged to function as a storage organ. The enlarged area of the root-tuber, or storage root, can be produced at the end, or middle of a root, or involve the entire root. It is thus different in origin but similar in function and appearance to a stem tuber. Examples of plants with notable tuberous roots include the sweet potato, cassava and Dahlia.