Swollen leaf base found in leguminous plants is called

Options

A. Leaf blade
B. Petiole
C. Stipules
D. Pulvinus

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the term used to describe the swollen leaf base found in leguminous plants.

2. **Understand the Options**: The options provided are:
- Leaf blade
- Petiole
- Stipules
- Pulvinus

3. **Analyze Each Option**:
- **Leaf Blade**: This is the flat, green part of the leaf where photosynthesis occurs. It is not swollen.
- **Petiole**: This is the stalk that attaches the leaf blade to the stem. While it connects the leaf to the plant, it does not refer to a swollen base.
- **Stipules**: These are small leaf-like structures at the base of the petiole. They do not describe a swollen structure.
- **Pulvinus**: This is a swollen structure found at the base of the petiole in some plants, particularly in leguminous plants.

4. **Conclude the Correct Answer**: The swollen leaf base in leguminous plants is called **pulvinus**.

5. **Final Answer**: The correct option is **pulvinus**.

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