captulum infloresecence does not occur in

Options

A. Dahlia
B. sunflower
C. marigold
D. china rose

Answer

**Step-by-Step Solution:**

1. **Understand the Concept of Inflorescence:**
- Inflorescence refers to the arrangement of flowers on a floral axis. It can take various forms, including solitary flowers or clusters of flowers.

**Hint:** Remember that inflorescence types vary based on how flowers are arranged on the stem.

2. **Identify Capitulum Inflorescence:**
- Capitulum inflorescence is characterized by a flattened peduncle that forms a receptacle, which bears numerous small and sessile florets. These florets can be categorized into two types: disc florets (found at the center) and ray florets (found at the periphery).

**Hint:** Focus on the structure of the capitulum, especially the arrangement of florets.

3. **Examine the Given Options:**
- The options provided are: Dahlia, Sunflower, Marigold, and China Rose.
- Dahlia, Sunflower, and Marigold are known to exhibit capitulum inflorescence.

**Hint:** Recall examples of plants that exhibit capitulum inflorescence.

4. **Analyze the Exception:**
- China Rose is known for having a solitary flower arrangement, specifically a solitary chyme inflorescence. In this type, a single flower is present at the tip of the peduncle, with no further growth.

**Hint:** Look for the plant that does not fit the capitulum structure.

5. **Conclusion:**
- Since Dahlia, Sunflower, and Marigold all exhibit capitulum inflorescence, the correct answer to the question is China Rose, which does not have this type of inflorescence.

**Final Answer:** The correct answer is D. China Rose.

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