Rhizome

In botany, a rhizome is a horizontal, usually underground stem of a plant that often sends out roots and shoots from its nodes. Also called a creeping rootstalk or rootstock. Many plants have rhizomes that serve to spread the plant by vegetative reproduction. Examples are asparagus and lily of the valley. A tuber is a thickened part of the rhizome or underground stem of certain plants, enlarged as a starch storage organ. Some tubers are edible, such as those of potato and Jerusalem artichoke. A corm is a short, thickened, vertical rhizome that stores starch.

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Karl Jung used this term to emphasize the invisible and underground nature of life: Life has always seemed to me like a plant that lives on its rhizome. Its true life is invisible, hidden in the rhizome. The part that appears above the ground lasts only a single summer. Then it withers away - an ephemeral apparition. When we think of the unending growth and decay of life and civilizations, we cannot escape the impression of absolute nullity. Yet I have never lost the sense of something that lives and endures beneath the eternal flux. What we see is blossom, which passes. The rhizome remains. (Prologue from "Memories, Dreams, Reflections") Gilles Deleuze and Félix Guattari coined "rhizome" to describe theory and research that allows for multiple, non-hierarchical entry and exit points in data representation and interpretation. \n\n