Ligulate/strap-shaped corolla occurs in sunflower in

Options

A. Disc florets
B. Immature florets
C. Ray florets
D. Both ray and disc florets

Explanation

To answer the question regarding the occurrence of ligulate or strap-shaped corolla in sunflowers, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Ligulate Corolla**:
- Ligulate corolla refers to flowers that have a strap-like shape. This type of corolla is typically found in certain types of florets.

2. **Identifying the Types of Florets in Sunflower**:
- Sunflowers (Helianthus annuus) have two types of florets:
- **Ray Florets**: These are the outer florets that have a ligulate shape.
- **Disc Florets**: These are the inner florets that are tubular in shape.

3. **Characteristics of Ray Florets**:
- Ray florets are characterized by their flat, strap-like petals that extend outward from the center of the flower. They are usually arranged in a single row and are responsible for the flower's appearance.

4. **Conclusion**:
- In sunflowers, the ligulate or strap-shaped corolla is specifically found in the **ray florets**. Therefore, the correct answer to the question is **ray florets**.

### Final Answer:
The ligulate/strap-shaped corolla occurs in sunflowers in **ray florets**.

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