When calyx and corolla are not distinct then they are known as

Answer

To answer the question, "When calyx and corolla are not distinct then they are known as?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- The **calyx** refers to the outermost part of a flower, which is made up of sepals.
- The **corolla** is the part of the flower that consists of petals, which are often colorful and attract pollinators.

2. **Identify the Relationship**:
- Both the calyx and corolla are accessory organs of the flower. They serve to protect the reproductive parts and can also play a role in attracting pollinators.

3. **Recognize the Condition**:
- The question specifies a condition where the calyx and corolla are not distinct. This means that they do not appear as separate structures.

4. **Define the Term**:
- When the calyx and corolla are not distinct and appear as a single structure, this combined structure is referred to as a **tepals**.

5. **Conclusion**:
- Therefore, when the calyx and corolla are not distinct, they are known as **tepals**.

### Final Answer:
When calyx and corolla are not distinct, they are known as **tepals**.

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