Name any one plant in which double fertilization was discovered?

Answer

**Step-by-Step Solution:**

1. **Understanding Double Fertilization**: Double fertilization is a unique reproductive process found in angiosperms (flowering plants). In this process, one male gamete fuses with the egg cell to form a zygote, while the other male gamete fuses with two polar nuclei to form the triploid endosperm.

2. **Identifying the Plant**: The question asks for a specific plant where double fertilization was discovered. The first plant in which double fertilization was identified is Lilium, a genus of flowering plants.

3. **Additional Examples**: While Lilium is the primary example, another plant where double fertilization occurs is Phrygilanthus. However, Lilium is the most notable one in the context of the discovery.

4. **Conclusion**: Therefore, the answer to the question is Lilium.

**Final Answer**: Lilium

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