In this article we will discuss about the structure of leafs with the help of diagrams. Dorsiventral Leaf: Leaves having two surfaces, dorsal and ventral, are called dorsiventral. The upper surface of these leaves is directly illuminated by the sun's rays. (Fig. 156) A thin section of such a leaf would show the following structure: I. Epidermis: There are two [...]
The following points highlight the three main parts of a leaf. The parts are: 1. The Leaf-Base 2. The Petiole 3. The Lamina. Part # 1. The Leaf-Base: It is by no means a conspicuous part of the leaf. Some leaves like those of the pea, sensitive plant, mango have swollen leaf-bases. Such a leaf- base is called pulvinus (Fig. [...]
In this article we will discuss about Leaf:- 1. Types of Leaf 2. Phyllotaxy 3. Simple Leaf 4. Compound Leaf 5. Leaf Shapes 6. Apex of Leaf 7. Leaf Margins. Contents: Types of Leaf Phyllotaxy Simple Leaf Compound Leaf Leaf Shapes Apex of Leaf Leaf Margins 1. Types of Leaf: i. Seed leaves: These are the cotyledons present on the [...]