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Rhizome [ Botany ]

Dictionary of botanic terminology - index of names

  A usually elongate and branched modified plant stem which grows horizontally, below or on the surface of the soil, often appears enlarged by food storage.
Roots, buds and leaves then emerges at different point from the nodes.
Rhizomes are creeping thickened stem (not a root) differ from other storage structures (like: tuber, bulbs, etc.) by growing horizontally partially or entirely under the surface of the ground, consisting of a series of nodes with roots. The primary growing point is at one end of the rhizome; additional growing points form along its sides from the nodes.


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