In which of the following families, calyx is modified into pappus?

Explanation

To solve the question "In which of the following families is the calyx modified into pappus?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terminology**:
- **Calyx**: The outermost whorl of a flower, typically consisting of sepals.
- **Pappus**: A modified calyx that appears as a tuft of hairs or bristles, often found in certain plant families.

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