The term used when there is no distinction between non essential or accessory floral organs is

Options

A. epicalyx
B. perianth
C. persistent calyx
D. scaly leaves

Answer

To solve the question, we need to identify the term used when there is no distinction between non-essential or accessory floral organs, specifically the calyx and corolla.

### Step-by-Step Solution:

1. **Understanding Floral Organs**:
- Floral organs can be categorized into essential (stamens and carpels) and non-essential (calyx and corolla) organs. The calyx consists of sepals, and the corolla consists of petals.

2. **Identifying the Non-Essential Organs**:
- The non-essential floral organs mentioned in the question are the calyx (sepals) and corolla (petals).

3. **Understanding Fusion of Floral Organs**:
- When the calyx and corolla are fused together, they form a single structure. This fusion means there is no clear distinction between the two.

4. **Analyzing the Options**:
- **Epicalyx**: This is a modification of bractioles and does not refer to the fusion of calyx and corolla.
- **Perianth**: This term refers to the collective structure formed by the fusion of calyx and corolla, indicating that there is no distinction between the two.
- **Persistent Calyx**: This refers to the calyx remaining after the flower matures into fruit, which is not relevant to the question.
- **Scaly Leaves**: These are modifications of leaves in xerophytes and do not pertain to floral organs.

5. **Conclusion**:
- The correct term for the condition when there is no distinction between the calyx and corolla is **Perianth**.

### Final Answer:
The term used when there is no distinction between non-essential or accessory floral organs is **Perianth**.

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