If This Tree Finds Its Leaves Are Being Nibbled by Deer, It Makes The Lower Ones Spiky When They Regrow
On taller Holly trees, the upper leaves (which are out of reach) have smooth edges, while the lower leaves are prickly. And now we know why. Image credit: Steve Slater/Leif Bersweden Used as a popular decoration throughout the Christmas season, holly trees (Ilex aquifolium) sport shiny evergreen leaves and bright red berries that aren’t only …