Flowers arrangement is acropetal but opening is appeared like centripetal. This is seen in the inflorescence of

Options

A. Crotalaria
B. Hibiscus
C. Musa
D. Cassia

Answer

To solve the question regarding the arrangement of flowers that is acropetal but appears to open in a centripetal manner, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Acropetal Arrangement**: This means that the flowers are arranged in such a way that the younger flowers are at the top of the stem, while the older flowers are at the bottom.
- **Centripetal Opening**: This refers to the phenomenon where the flowers open from the center outward, meaning the innermost flowers bloom first, followed by the outer ones.

2. **Identify the Inflorescence Types**:
- We need to find an inflorescence type that exhibits acropetal arrangement but has a centripetal opening.

3. **Evaluate the Options**:
- **Crotallaria**: Part of the legume family; typically does not show this arrangement.
- **Hibiscus**: Also does not exhibit the acropetal and centripetal characteristics.
- **Musa (Banana)**: While it has an acropetal arrangement, it does not show centripetal opening.
- **Acacia**: This plant shows an acropetal arrangement where the newer flowers are in the center and the older flowers are on the sides, which fits the description.

4. **Conclusion**:
- Based on the evaluation of the options, the correct answer is **Acacia**. It exhibits an acropetal arrangement with a centripetal opening.

### Final Answer:
The inflorescence that has an acropetal arrangement but appears to open in a centripetal manner is found in **Acacia**.