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Delay of bloom blamed on climate change

Flowers that fail to open early in spring may be taking cue from previous autumn

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5:30pm, May 23, 2012

Oddball spring flowers that seem unaffected by climate change — or have gotten it backwards — could be taking some cues from unusual autumns the year before.

Like their early flowering peers, plants in a new study show that many of these on-time and late bloomers also have had their timing shifted by a warming globe — but the paradoxical effects have just been more difficult to observe.

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