When the margins of sepals or petals overlap one another without any particular direction, the condition in termed as

Options

A. Vexillary
B. Imbricate
C. Twisted
D. Valvate

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the condition when the margins of sepals or petals overlap each other without any specific direction.

2. **Identifying the Concept**: This condition relates to a botanical term known as "estivation," which refers to the arrangement of sepals and petals in a flower bud.

3. **Types of Estivation**: There are several types of estivation:
- **Valvate**: Sepals or petals are placed side by side without overlapping.
- **Imbricate**: Sepals or petals overlap each other without a particular direction.
- **Twisted**: Sepals or petals overlap in a specific direction.
- **Vexillary**: A specific arrangement involving one large petal and two smaller petals.

4. **Analyzing the Options**: Based on the definitions:
- Valvate does not involve overlapping.
- Twisted involves overlapping in a specific direction.
- Vexillary has a specific arrangement of petals.
- Imbricate is the only type where the petals or sepals overlap without any specific direction.

5. **Conclusion**: The correct answer to the question is "Imbricate" estivation, as it describes the overlapping of sepals or petals without a particular direction.

**Final Answer**: The condition is termed as **Imbricate**.

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