Anisophylly is when leaves of a pair differ from one another, either in size or in shape. When a horizontal stem (plagiotropic shoot) also exhibits anisophylly, the photosynthetic leaf surfaces interfere less with light from above, and rotation of the leaf or the petiole can enhance that effect.
Anisophylly is when leaves of a pair differ from one another, either in size or in shape. When a horizontal stem (plagiotropic shoot) also exhibits anisophylly, the photosynthetic leaf surfaces interfere less with light from above, and rotation of the leaf or the petiole can enhance that effect.
Source: Wikipedia "Anisophylly" · CC BY-SA 4.0
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