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Storage organ
Part of a plant specifically modified for storage of energy or water
A storage organ is a part of a plant specifically modified for storage of energy
(generally in the form of carbohydrates) or water.[1] Storage organs often grow underground, where they are better protected from attack by herbivores. Plants that have an underground storage organ are called geophytes in the Raunkiær plant life-form classification system.[2][3] Storage organs often, but not always, act as perennating organs which enable plants to survive adverse conditions (such as cold, excessive heat, lack of light or drought).
^The underground storage organ itself is sometimes called a geophyte, but this is not the original usage of the term in the Raunkiær plant life-form classification.
^Raunkiær, Christen (1934), The life forms of plants and statistical plant geography, trans. Gilbert-Carter, H.; Fausbøll, A. & Tansley, A.G., Oxford: Clarendon Press, OCLC4300750; reprinted (1977) in History of ecology series, New York: Arno Press, ISBN978-0-405-10418-3