Foliage refers to the leafy parts of a tree or plant. … The noun foliage refers to leaves — either individual leaves or the collective leafy canopy of many trees or plants.

What is foliage in biology?

(botany) A plant organ that is specialized for photosynthesis. Collectively, it constitutes foliage. Vascular plants (tracheophytes) have “true” leaves whereas non-vascular plants have only “leaf-like” structures.

What are 3 main functions of a leaves?

• Photosynthesis.
• Transpiration.
• Guttation.
• Storage.
• Defense.