Chapter: Introduction to Botany: Tissues and organs; How the Plant is built

The Leaf

The first and ultimate goal of every plant is photosythesis.

The Leaf

 

 

The first and ultimate goal of every plant is photosythesis. If a plant is multi-cellular, it usually develops relatively large, flat structures which goal is to catch sun rays. Terrestrial plants are no exception; most probably, they started to build their body with organs similar to present day leaves.


leaf is lateral photosynthetic organ of shoot with restricted growth. Its functions are photosynthesis, respiration, transpiration, and synthesis of secondary chem-icals. Features of a leaf (i.e., characters help to distinguish it) include having a bud in the axil, not growing by apex, not producing new leaves or shoots, and having hierarchal morphology (see below).

 

 

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Introduction to Botany: Tissues and organs; How the Plant is built : The Leaf |


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