An inflorescence with a single female flower surrounded by several male flowers with a nectar secreting gland at the rim of cup shaped involucre is called

Options

A. Hypanthodium
B. Verticillaste
C. Cyathium
D. Spadix

Answer

To solve the question regarding the specific type of inflorescence described, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Components of the Inflorescence**:
- The question describes an inflorescence that has a single female flower and several male flowers.
- It also mentions a nectar-secreting gland at the rim of a cup-shaped involucre.

2. **Identify the Type of Inflorescence**:
- Inflorescences can vary widely, but the specific characteristics mentioned (single female flower surrounded by male flowers, cup-shaped involucre, and nectar-secreting glands) are indicative of a particular type.

3. **Recall Relevant Examples**:
- This type of inflorescence is commonly found in the Euphorbia genus.
- The specific name for this type of inflorescence is "cyathium."

4. **Conclude the Answer**:
- Based on the characteristics provided and the examples recalled, the answer to the question is that the inflorescence described is called a "cyathium."

### Final Answer:
The inflorescence with a single female flower surrounded by several male flowers, with a nectar-secreting gland at the rim of a cup-shaped involucre, is called a **cyathium**.

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