Question

Polyadelphous stamens are found in

• A. Cotton
• B. China rose
• C. Pea
• D. Lemon

Answer 1

The correct option is D

Lemon

The correct option is D.

The explanation for the correct option:

1. Poly means many, and adelphous refers to a plant's male gamete.
2. Polyadelphous stamen refers to plants in which the stamen or anthers are present in three or more bundles.
3. This type of arrangement is common in citrus fruits such as lemon.
4. A flower's androecium can have varying degrees of fusion between filaments and anthers.
5. Polyadelphous is a condition that occurs when the filaments of the stamens join together to form several bundles.
6. It can be seen in lemons.

The explanation for the incorrect option:

Options A:

1. Cotton has stamens that are monadelphous.
2. Monadelphous stamens are a flower condition in which all of the stamen filaments are united into a single bundle.
3. These bundles form a tube-like structure.
4. The anthers remain free.

Option B:

1. Hibiscus or china rose has also a monadelphous type of flower.
2. All of the stamen filaments are united into a single bundle which resembles a tube-like structure.

Option C:

1. Gram demonstrates diadelphous stamens.
2. Plants are having stamens fused together at least partially by filaments.
3. It is forming two separate bundles and a single separate stamen.

Final answer: Polyadelphous stamens are found in lemon.