Leaf apex is modified into tendril in

Options

A. Smilax
B. Gloriosa
C. Australian Acacia
D. All the above.

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks which plant has its leaf apex modified into a tendril.

2. **Define Tendril**: A tendril is a specialized structure that helps plants climb and support themselves by wrapping around nearby objects.

3. **Identify the Options**: The options provided are:
- A) Smilex
- B) Gloriosa
- C) Australian Acacia
- D) All of the above

4. **Analyze Each Option**:
- **Smilex**: In this plant, the stipule is modified into a tendril, not the leaf apex. Therefore, this option is incorrect.
- **Gloriosa**: In Gloriosa, the leaf apex is indeed modified into a tendril. This is a correct option.
- **Australian Acacia**: In this case, the petiole is modified into a phyllode, which means this option is also incorrect.

5. **Conclusion**: Based on the analysis, the only plant where the leaf apex is modified into a tendril is Gloriosa.

6. **Final Answer**: The correct answer is **B) Gloriosa**.

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