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Published Aug. 28, 2013 4:47 PM

Growth and reproductive adaptations to low temperature, short season length, and/or fluctuating weather conditions are key traits for arctic and alpine plant species.  Ranunculus glacialis in alpine area at Finse retains the perianth after the anthesis, but petals color change from white to purple, as opposed to most species that wither the perianths after petals have contributed to insect attraction during anthesis.