Leaf

From WikiMD's WELLNESSPEDIA

A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem.[1] The leaves and stem together form the shoot.[2] Leaves are collectively referred to as foliage, as in "autumn foliage".[3]

Structure[edit]

A typical leaf or phyllode has a broad expanded blade (also called the lamina), which is attached to the plant stem by a petiole.[4]

Function[edit]

Leaves are the site where most photosynthesis takes place in plants.[5]

Types of leaves[edit]

There are many different types of leaves. They can be classified in many different ways, including by their shape, their edge, their pattern of venation, and by their arrangement on the stem.[6]

See also[edit]

References[edit]

  1. ↑ , Anatomy of seed plants, Wiley, ISBN 978-0-471-24520-9,
  2. ↑ , Plant anatomy, Pergamon, ISBN 978-0-08-036983-8,
  3. ↑ Foliage(link). Merriam-Webster Dictionary.Accessed 2018-04-18.
  4. ↑ , Anatomy of seed plants, Wiley, ISBN 978-0-471-24520-9,
  5. ↑ , Plant Physiology and Development, Sinauer, ISBN 978-1-60535-255-8,
  6. ↑ , The Cambridge Illustrated Glossary of Botanical Terms, Cambridge University Press, ISBN 978-0-521-79401-5,

External links[edit]

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