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Storage organ
 
 
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A storage organ is a part of a plant
Plant

Plants are Life organisms belonging to the Kingdom Plantae. They include familiar organisms such as trees, herbs, bushes, grasses, vines, ferns, mosses, and green algae....
 specifically modified for storage of energy
Energy

In physics, energy is a scalar physical quantity that describes the amount of Work_ that can be performed by a force. Energy is an attribute of objects and systems that is subject to a conservation law....
 (generally in the form of carbohydrate
Carbohydrate

Carbohydrates or saccharides are the most abundant of the four major classes of biomolecules. They fill numerous roles in living things, such as the storage and transport of energy and structural components ....
s) or water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
. Storage organs often grow underground, where they are better protected from attack by herbivore
Herbivore

Herbivory is a form of predation in which an organism, known as an herbivore, heterotrophs principally autotrophs such as plants, algae and photosynthesizing bacteria....
s. Underground storage organs and the plants that bear them are sometimes called geophytes.

In common parlance, underground storage organs may be generically called roots, tuber
Tuber

Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to overwinter and regrow the next year and as a means of asexual reproduction....
s, or bulbs, but to the botanist there is more specific technical nomenclature
Nomenclature

Nomenclature can refer to a system of names or terms, or the rules used for forming the names, as used by an individual or community, especially those used in a particular science or art....
:






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A storage organ is a part of a plant
Plant

Plants are Life organisms belonging to the Kingdom Plantae. They include familiar organisms such as trees, herbs, bushes, grasses, vines, ferns, mosses, and green algae....
 specifically modified for storage of energy
Energy

In physics, energy is a scalar physical quantity that describes the amount of Work_ that can be performed by a force. Energy is an attribute of objects and systems that is subject to a conservation law....
 (generally in the form of carbohydrate
Carbohydrate

Carbohydrates or saccharides are the most abundant of the four major classes of biomolecules. They fill numerous roles in living things, such as the storage and transport of energy and structural components ....
s) or water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
. Storage organs often grow underground, where they are better protected from attack by herbivore
Herbivore

Herbivory is a form of predation in which an organism, known as an herbivore, heterotrophs principally autotrophs such as plants, algae and photosynthesizing bacteria....
s. Underground storage organs and the plants that bear them are sometimes called geophytes.

In common parlance, underground storage organs may be generically called roots, tuber
Tuber

Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to overwinter and regrow the next year and as a means of asexual reproduction....
s, or bulbs, but to the botanist there is more specific technical nomenclature
Nomenclature

Nomenclature can refer to a system of names or terms, or the rules used for forming the names, as used by an individual or community, especially those used in a particular science or art....
:
  • True root
    Root

    In vascular plants, the root is the organ of a plant body that typically lies below the surface of the soil. This is not always the case, however, since a root can also be aerial root or aerating ....
    s:
    • Tuberous root
    • Storage taproot
      Taproot

      A plant's taproot is a somewhat straight tapering root that grows vertically downward. It forms a center from which other roots sprout laterally....
  • Modified stem
    Plant stem

    A stem is one of two main structural axes of a vascular plant. The stem is normally divided into nodes and internodes, the nodes hold buds which grow into one or more leaf, inflorescence , conifer cones or other stems etc....
    s:
    • Corm
      Corm

      A corm is a short, vertical, swollen underground plant Plant stem that serves as a storage organ used by some plants to survive winter or other adverse conditions such as summer drought and heat ....
    • Tuber
      Tuber

      Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to overwinter and regrow the next year and as a means of asexual reproduction....
    • Rhizome
      Rhizome

      In botany, a rhizome is a characteristically horizontal plant stem of a plant that is usually found underground, often sending out roots and shoots from its nodes....
    • Pseudobulb
      Pseudobulb

      The pseudobulb is a storage organ derived from the part of a stem between two leaf nodes.It applies to the orchid family , specifically certain groups of epiphyte orchids, and may be single or composed of several internodes with evergreen or deciduous leaves along its length....
    • Caudex
      Caudex

      A caudex is a form of Plant stem Morphology appearing as a thickened, short, perennial stem that is either underground or near ground level ....
  • Others:
    • Storage hypocotyl
      Hypocotyl

      Hypocotyl is a Botany term for a part of a germination seedling of a seed plant. As the plant embryo grows at germination, it sends out a shoot called a radicle that becomes the primary root and penetrates down into the soil....
    • Bulb
      Bulb

      A bulb is an underground vertical shoot that has modified leaf that are used as food storage organs by a dormancy plant.A bulb's leaf bases generally do not support leaves, but contain food reserves to enable the plant to survive adverse conditions....


Storage organs used for food may be generically called root vegetable
Root vegetable

Root vegetables are plant roots used as vegetables. Other underground plants are often, erroneously, called root vegetables. Root vegetables include both true roots such as tuberous roots and taproots, but exclude non-roots such as tubers, rhizomes, corms, and bulbs....
s, although this phrase should not be taken to imply that the class only includes true roots.