Question

explain the parts of a leaf​

Answer 1

Answer:

Most leaves have two main parts: (1) the blade and (2) the petiole, or leafstalk. The leaves of some kinds of plants also have a third part, called the stipules. The Blade, or lamina, is the broad, flat part of the leaf. Photosynthesis occurs in the blade, which has many green food-making cells.

Answer 2

Answer :

The parts of leaf -

• Leaf is a flattened structure borne on stem.
• It includes nodes and auxiliary bud.
• Auxiliary bud further develops into branch.
• Leaves originate from shoot apical meristems.
• They mostly help in photosynthesis.
• The three main parts : Leaf base, petiole and lamina.
• The leaf is attached to stem by leaf base.
• It bears two bud like structures called stipules.
• In leguminous plants, the leaf base is swollen and is called pulvinus.
• The petiole holds the leaf.
• The petiole is flexible.
• The lamina also called as leaf blade is green.
• It has the presence of veins and veinlets.
• There is a presence of a middle prominent vein.
• This vein is called midrib.
• This vein provides rigidity to the lamina and functions as a channel for transportation of water, food and minerals.