Nucellar polyembryony is reported in species of

Options

A. Citrus
B. Gossypium
C. Triticum
D. Brassica

Answer

### Step-by-Step Solution:

1. **Understanding Nucellar Polyembryony**:
- Nucellar polyembryony refers to a phenomenon where multiple embryos develop from the nucellar tissue of a seed. This occurs when the nucellar cells, which are surrounding the endosperm, divide and form several embryos.

2. **Identifying the Species**:
- The question asks in which species nucellar polyembryony has been reported. The options provided are:
- 1. Citrus
- 2. Gossypium
- 3. Triticum
- 4. Brassica

3. **Analyzing Each Option**:
- **Citrus**: Known to exhibit nucellar polyembryony, where multiple embryos can arise from the nucellar tissue.
- **Gossypium (Cotton)**: Generally does not exhibit nucellar polyembryony.
- **Triticum (Wheat)**: Does not typically show this phenomenon.
- **Brassica (Cabbage and related species)**: Also does not exhibit nucellar polyembryony.

4. **Conclusion**:
- Based on the analysis, the only species among the options that is known for nucellar polyembryony is **Citrus**. Therefore, the correct answer is **Citrus**.

### Final Answer:
Nucellar polyembryony is reported in species of **Citrus**.

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