Root, Stem, and Leaf

1. Introduction

1. Plant morphology refers to the external structure of plants.
2. The three main vegetative organs are the root, stem, and leaf.
3. Roots anchor the plant, stems provide support, and leaves perform photosynthesis.

2.

1. Introduction

1. The leaf is a lateral, flattened structure of the plant, mainly responsible for photosynthesis.
2. It is typically green due to the presence of chlorophyll.
3. Leaves arise from the nodes of the stem and are arranged in a specific manner.
4. Their main functions include photosynthesis, transpiration, gas exchange, and storage.

2.

1. Introduction

1. The stem is the main axis of the plant that bears leaves, flowers, and fruits.
2. It helps in support, conduction, and storage of nutrients.
3. Stems can be modified to perform specialized functions like storage, reproduction, and perennation.
4. Based on their modifications, stems are categorized into different types.

2.

1. Introduction

1. Roots are the underground part of the plant that provides anchorage and absorption.
2. In some plants, roots are modified to perform specialized functions.
3. Root modifications are classified into three major types: Storage, Support, and Respiratory roots.

2.