Classify the four plant organs: root, stem, leaf and flower. Explain how plant organs are adapted to perform special roles.
Flowering plants are the most recently evolved type of plant on Earth. There are many different species of flowering plants, including magnolias, water lilies, horse chestnut and wheat. Although there are many types of flowering plants, they all have the same basic structure.
Key Words
Bud Root Stem Leaf
Flower
7.1
z
Fig. 7.1.1
Varieties of flowering plants
Figure 7.1.2 shows the main parts of a flowering plant. z z
zz
The part of the plant that grows in the soil is the root.
All species of flowering plants have four organs:
1. Root 2. Stem 3. Leaf 4. Flower
A flowering plant may also have buds, fruits and seeds.
A bud produces new growth. It can develop into a side branch, leaf or flower.
z Fig. 7.1.2
The basic structure of a flowering plant
Root 111 111 Flower
The part of the plant that grows above the ground is the shoot.
