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Flattened, elongated shoots and flower heads that look like many stems compressed together are called fasciation. This strange-looking problem may be ugly or attractive, but is always interesting.
Fasciation may be caused by:
Affected parts of shrubs and trees can be pruned out if desired. Fasciation seldom recurs on herbaceous plants the following year.
AphidsFlower ballingFuchsia gall miteLeafy gallMutations: flower proliferationMutations: plantPlant virusesReversion
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