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Freshly dug sweet potato plants with tubers Hemerocallis tuber roots. A root tuber, tuberous root or storage root is a modified lateral root, enlarged to function as a storage organ. The enlarged area of the tuber can be produced at the end or middle of a root or involve the entire root.
The term "tuber" is often used imprecisely and is sometimes applied to plants with rhizomes. The plant uses the rhizome to store starches, proteins, and other nutrients. These nutrients become useful for the plant when new shoots must be formed or when the plant dies back for the winter. [4]
Root vegetables are underground plant parts eaten by humans or animals as food. In agricultural and culinary terminology, the term applies to true roots such as taproots and tuberous roots as well as non-roots such as bulbs , corms , rhizomes , and stem tubers .
In some species (e.g. Cyclamen coum) roots come from the bottom of the tuber, suggesting that it is a stem tuber; in others (e.g. Cyclamen hederifolium) roots come largely from the top of the tuber, suggesting that it is a root tuber. [6] As an example of a combination, juno irises have both bulbs and storage roots. [7]
Tubers develop from either the stem or the root. Stem tubers grow from rhizomes or runners that swell from storing nutrients while root tubers propagate from roots that are modified to store nutrients and get too large and produce a new plant. [22] Examples of stem tubers are potatoes and yams and examples of root tubers are sweet potatoes and ...
The plant has high-climbing, thorny vines. The underground part is a tuber — a swollen, food-storage stem, much like an Irish potato. This edible tuber has 'roots' in Caribbean nations | Mystery ...
Pachyrhizus erosus, commonly known as jícama (/ ˈ h ɪ k ə m ə / or / dʒ ɪ ˈ k ɑː m ə /; [1] Spanish jícama ⓘ; from Nahuatl xīcamatl, [ʃiːˈkamatɬ]) or Mexican turnip, is a native Mesoamerican vine, although the name jícama most commonly refers to the plant's edible tuberous root. It is in the pea family (Fabaceae).
A geophyte (earth+plant) is a plant with an underground storage organ including true bulbs, corms, tubers, tuberous roots, enlarged hypocotyls, and rhizomes. Most plants with underground stems are geophytes but not all plants that are geophytes have underground stems. Geophytes are often physiologically active even when they lack leaves.