Drug Santonin (anthelmintic) comes from

Options

A. Centipeda
B. Artemesia
C. Tagetes
D. Chrysanthemum.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the source of the drug Santonin, which is known for its anthelmintic properties (used to expel parasitic worms).

2. **Analyzing the Options**:
- **Option 1: Centipeda**: This plant is known for pest control, specifically targeting insects like cockroaches and moths. It is not related to the drug Santonin, so this option is incorrect.

- **Option 2: Artemisia**: This is a herbal plant known for various medicinal uses, including treating intestinal issues and common colds. Importantly, Artemisia is recognized as the source of the drug Santonin, making this option correct.

- **Option 3: Tagetes**: This plant has medicinal properties but is not the source of Santonin. Therefore, this option is incorrect.

- **Option 4: Chrysanthemum**: While this plant has medicinal uses, it is primarily used for treating chest pain and is not related to Santonin. Thus, this option is also incorrect.

3. **Conclusion**: After evaluating all the options, the correct answer is **Option 2: Artemisia**, as it is the source of the drug Santonin.