Aeschynomene is

Options

A. Halophyte
B. Xerophyte
C. Mesophyte
D. Aquatic.

Answer

### Step-by-Step Solution:

1. **Identify the Genus**: Aeschynomene is a genus of flowering plants that belongs to the family Fabaceae.

2. **Common Name**: Aeschynomene is commonly known as "joint vetches."

3. **Habitat Analysis**:
- Aeschynomene is typically found in warm regions.
- It thrives in aquatic environments, specifically in freshwater habitats.

4. **Specific Habitats**:
- It is commonly found in waterlogged grasslands.
- It also grows in freshwater swamps.

5. **Evaluate the Options**:
- **Halophyte**: Plants that thrive in saline conditions (not applicable to Aeschynomene).
- **Xerophyte**: Plants adapted to dry environments (not applicable to Aeschynomene).
- **Mesophyte**: Plants that require moderate moisture (not the best fit for Aeschynomene).
- **Aquatic**: Plants that live in water (this is applicable to Aeschynomene).

6. **Conclusion**: Based on the analysis of the habitat and characteristics of Aeschynomene, the correct classification is that it is an **aquatic plant**.

### Final Answer:
Aeschynomene is an **aquatic plant**.

---