Monothecous anthers are found in :

Options

A. Hollyhock
B. Butter up
C. Broad bean
D. Black night shade

Answer

To determine which plant has monothecous anthers, we need to understand the characteristics of monothecous anthers and analyze the options provided.

### Step-by-Step Solution:

1. **Understand Anther Structure**: Anthers are the part of the stamen in flowering plants where pollen grains are produced. They can be classified based on their structure into monothecous and dithecous (or bithiccus) types.

2. **Define Monothecous Anthers**: Monothecous anthers have a single theca (the pollen sac) and typically contain two pollen sacs. This is in contrast to dithecous anthers, which have two thecae.

3. **Analyze the Options**:
- **Hollyhock**: This plant is known to have monothecous anthers.
- **Buttercup**: Generally has dithecous anthers.
- **Broad Bean**: Also typically has dithecous anthers.
- **Black Nightshade**: This plant is known to have dithecous anthers as well.

4. **Conclusion**: Among the given options, hollyhock is the only plant that possesses monothecous anthers.

### Final Answer:
Monothecous anthers are found in **Hollyhock**.

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