Polyadelphous stamens occur in
(a) Lemon
(b) Gram
(c) Sunflower
(D) Cotton

Options

A. Lemon
B. Gram
C. Sunflower
D. Cotton

Answer

To solve the question regarding which plant has polyadelphous stamens, we need to understand the different types of stamens based on their arrangement:

1. **Definition of Polyadelphous Stamens**:
- Polyadelphous stamens are characterized by the filaments of the stamens being united into several groups or bundles. This is a specific arrangement of stamens in the flower's androsium.

2. **Analyzing the Options**:
- **(a) Lemon**: The stamens in lemon flowers are known to be polyadelphous, meaning the filaments are united in bundles.
- **(b) Gram**: The gram plant does not have polyadelphous stamens; instead, it exhibits diadelphous stamens, where the stamens are united in two groups.
- **(c) Sunflower**: Sunflower flowers have syngeneous stamens, meaning the anthers are fused but the filaments remain free.
- **(d) Cotton**: Cotton has monoadelphous stamens, where all the filaments are united into a single group.

3. **Conclusion**:
- Based on the definitions and characteristics of the stamens in each option, the only plant that exhibits polyadelphous stamens is **(a) Lemon**.

Thus, the correct answer is **(a) Lemon**.