In Shoe Flower/Chine Rose

Options

A. Anthers are fused
B. Filaments are fused in a single mass
C. Filaments are fused to form many groups
D. All the stamens are free

Answer

**Step-by-Step Solution:**

1. **Identify the Plant**: The question refers to the Shoe Flower, also known as China Rose, scientifically named Hibiscus rosa-sinensis.

2. **Understand the Male Reproductive Organ**: In flowering plants, the male reproductive organ consists of stamens, which include anthers and filaments.

3. **Determine the Type of Stamens**: In Hibiscus rosa-sinensis, the stamens are of the Monodelphous type. This means that the filaments of the stamens are fused together.

4. **Analyze the Options**:
- **Option A**: "Anthers are fused" - This is incorrect for China rose; fused anthers are characteristic of sunflowers.
- **Option B**: "Filaments are fused in a single mass" - This is correct as it describes the condition in China rose.
- **Option C**: "Filaments are fused to form many groups" - This is incorrect; this feature is seen in cotton plants.
- **Option D**: "All the stamens are free" - This is also incorrect; this condition is found in ranunculus flowers.

5. **Conclusion**: Based on the analysis of the options, the correct answer is **Option B: Filaments are fused in a single mass**.

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