The condition where a single plant produces leaves of distinctly different shapes or forms, either at different stages of development or in response to environmental conditions. This adaptation allows plants to optimize leaf function for different situations.
From Greek 'heteros' meaning 'different' and 'phyllon' meaning 'leaf.' The term was coined in the late 19th century as botanists recognized that some plants naturally produce multiple leaf forms as an adaptive strategy.
Heterophylly is like plants having a wardrobe for different occasions! Aquatic plants are masters of this - they'll have finely divided underwater leaves for efficient gas exchange and broad floating leaves for maximum light capture at the surface.
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