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In botany, perennation is the ability of , particularly , to survive from one Germination season to another, especially under unfavourable conditions such as drought or winter cold. It typically involves development of a perennating organ, which stores enough to sustain the organism during the unfavourable season, and develops into one or more new plants the following year. Common forms of perennating organs are storage organs (e.g. , , and corm), and . Perennation is closely related with vegetative reproduction, as the organisms commonly use the same organs for both survival and reproduction.
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