PLANT ANATOMY AND PLANT PHYSIOLOGY

Ø The first account of internal structure of plants was published by English Physician Nehemiah Grew.

Ø He is known as Father of Plant Anatomy.

Ø Plant anatomy (Gk Ana = as under; Temnein = to cut) is the study of internal structure of plants.

 

Tissue system and its functions:

Types of vascular bundle:

1.    Radial bundles:

Ø Xylem and phloem are present in different radii alternating with each other. e.g. roots.

2.    Conjoint bundles:

Ø Xylem and phloem lie on the same radius. There are two types of conjoint bundles.

·        Collateral

·        Bicollateral

3.    Concentric Bundles:

Ø Vascular bundle in which xylem completely surrounds the phloem or vice versa is called concentric vascular bundle. It is of two types

·        Amphivasal

·        Amphicribral

 

 

Differences between Dicot and Monocot root:

         

 

Differences between Dicot and Monocot Stem:

       

 

MIND MAP