Inflated fruits which are dispersed by air occur in

Options

A. Aristolochia
B. Heritiera
C. Nymphaea
D. Cardiospermum

Answer

**Step-by-Step Solution:**

1. **Understanding Inflated Fruits**:
- Inflated fruits are characterized by a balloon-shaped structure, which is often due to the presence of a persistent calyx. This structure allows the fruit to be buoyant and aids in its dispersal by air.

2. **Identifying the Options**:
- The options provided are Aristolochia, Heritaria, Nymphaea, and Cardiospermum. We need to determine which of these contains inflated fruits that are dispersed by air.

3. **Analyzing Each Option**:
- **Aristolochia**: This genus does not typically produce inflated fruits.
- **Heritaria**: Similar to Aristolochia, this genus does not have inflated fruits.
- **Nymphaea**: Known for its water lilies, this genus does not feature inflated fruits either.
- **Cardiospermum**: This genus is known for its inflated, balloon-shaped fruits that are adapted for air dispersal.

4. **Conclusion**:
- Based on the analysis, the only genus among the options that has inflated fruits dispersed by air is **Cardiospermum**. Therefore, the correct answer is Cardiospermum.

**Final Answer**: Cardiospermum

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