Study of flower petals shows evolution at the cellular level
Thursday, November 17, 2011 - 17:20
in Biology & Nature
A new study of flower petals shows evolution in action, and contradicts more that 60 years of scientific thought. Columbine flowers, known as Aquilegia, evolved several lengths of petal spurs that match the tongue lengths of their pollinators, including bees, hummingbirds and hawkmoths.