[[ilex aquifolium]]
RT @LeifBersweden
If Holly (Ilex aquifolium) finds its leaves are being nibbled by deer, it switches genes on to make them spiky when they regrow. So on taller Holly trees, the upper leaves (which are out of reach) have smooth edges, while the lower leaves are prickly 🤙

@flancian mother nature is so cool. thats why I worship her.
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