Flowers of Asteraceae and Brassicaceae possess same

Options

A. Number of petals
B. Number of carpels
C. Number of stamens
D. Number of sepals.

Answer

To answer the question regarding the similarities between the flowers of the Asteraceae and Brassicaceae families, we will analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Identify the Families**:
- Asteraceae is known as the Sunflower family.
- Brassicaceae is known as the Mustard family.

2. **Analyze the Number of Petals**:
- Asteraceae typically has 5 petals.
- Brassicaceae typically has 4 petals.
- **Conclusion**: The number of petals is not the same.

3. **Analyze the Number of Carpels**:
- Asteraceae has 2 carpels (bicarpellary).
- Brassicaceae also has 2 carpels (bicarpellary).
- **Conclusion**: The number of carpels is the same.

4. **Analyze the Number of Stamens**:
- Asteraceae usually has 5 or sometimes 4 stamens.
- Brassicaceae typically has 6 stamens.
- **Conclusion**: The number of stamens is not the same.

5. **Analyze the Number of Sepals**:
- Asteraceae has poorly developed sepals, often modified into a structure called a pappus.
- Brassicaceae has 4 distinct sepals.
- **Conclusion**: The number of sepals is not the same.

### Final Answer:
The flowers of Asteraceae and Brassicaceae possess the same number of **carpels**.