rhipidium inflorescence of solanum nigrum is

Options

A. modified scorpioid cyme
B. helicoid cyme
C. capitulum
D. multiparous cyme

Answer

To answer the question regarding the type of inflorescence in Solanum nigrum, specifically the rhipidium inflorescence, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks about the type of rhipidium inflorescence found in Solanum nigrum. We need to identify the correct classification from the given options.

2. **Identify the Options**: The options provided are:
- Modified Scorpoid Sign
- Helicoid Sign
- Capitulum
- Multiparous Sign

3. **Define Rhipidium Inflorescence**: Rhipidium is a type of inflorescence that is characterized by flowers arranged in a single plane. This is similar to the modified scorpoid sign.

4. **Analyze Each Option**:
- **Modified Scorpoid Sign**: In this type, flowers are arranged in one plane, which aligns with the characteristics of rhipidium.
- **Helicoid Sign**: Flowers are borne on one side, which is not applicable to rhipidium.
- **Capitulum**: This is a head-like inflorescence where flowers are born directly on a broad flat peduncle, not fitting the rhipidium description.
- **Multiparous Sign**: This is a cymose inflorescence where the main axis culminates in a flower, which does not describe rhipidium.

5. **Conclude the Answer**: Based on the definitions and characteristics analyzed, the correct answer is **Modified Scorpoid Sign**. This is because rhipidium inflorescence of Solanum nigrum has flowers arranged in one plane, which is a defining feature of the modified scorpoid sign.

### Final Answer:
The rhipidium inflorescence of Solanum nigrum is a **Modified Scorpoid Sign**.

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