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Scarlet monkeyflowers in California evolved drought tolerance during the 2012–2015 megadrought, with genetic variation enabling recovery.
A groundbreaking study published on March 12, 2026, provides the first real-world evidence of "evolutionary rescue" in wild plant populations, showing that scarlet monkeyflowers in California adapted rapidly during the 2012–2015 megadrought.
Using genomic data from 55 populations, researchers found that genetic traits linked to drought tolerance—such as improved water conservation and photosynthesis efficiency—enabled some populations to recover, with pre-drought genetic variation predicting survival.
The findings, led by Cornell University’s Julia Anstett and University of British Columbia’s Amy Angert, suggest evolution can help some species withstand extreme climate events, though long-term climate change may outpace adaptation, especially for slow-reproducing species.
Las flores de mono escarlata en California desarrollaron tolerancia a la sequía durante la mega sequía de 2012-2015, con una variación genética que permitió la recuperación.