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Cuticle
2 articles on this topic
Why Some Plants Develop Protective Outer Layers
Plant armor isn't free. Beneath tough bark and waxy leaves lies a fierce metabolic cost, revealing an evolutionary gamble few truly understand.
15 min read
Why Some Plants Have Waxy Leaves
Beyond mere water retention, waxy leaves are a costly, multifaceted adaptation. They're a plant's solar shield, pathogen armor, and even thermal regulator – not just a drought defense.
12 min read