which bryophyte was employed in removing kidney stones?

Options

A. Sphagnum
B. Polytrichum commune
C. Porella
D. Funaria

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which bryophyte is used for the removal of kidney stones. Bryophytes are non-vascular plants, including mosses, liverworts, and hornworts.

2. **Identifying the Bryophyte**: Among the various bryophytes, some mosses have medicinal properties. The focus here is on their ability to dissolve kidney stones.

3. **Researching the Specific Bryophyte**: The bryophyte known for its capability to dissolve kidney stones is **Polytrichum commune**, commonly referred to as hair cap moss.

4. **Mechanism of Action**: Polytrichum commune works by dissolving the crystals that form kidney stones. This process allows the stones to be passed out of the body through urination.

5. **Additional Benefits**: Besides kidney stones, Polytrichum commune can also dissolve gallbladder stones, making it beneficial for multiple types of stone-related issues.

6. **Preparation and Consumption**: To utilize Polytrichum commune for its medicinal properties, it is typically boiled and then consumed, allowing it to act directly on the stones within the body.

7. **Conclusion**: Based on the information gathered, the correct answer to the question is **Polytrichum commune**.

**Final Answer**: Polytrichum commune (hair cap moss) is the bryophyte employed in removing kidney stones.

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