Mention the unique flowering phenomenon exhibited by Strobilanthus Kunthiana (neelakuranaji).

Explanation

**Step-by-Step Solution:**

1. **Identify the Plant**: The plant in question is Strobilanthus kunthiana, commonly known as Neelakurinji.

2. **Unique Flowering Phenomenon**: The unique flowering phenomenon exhibited by Strobilanthus kunthiana is that it blooms only once every 12 years.

3. **Characteristics of the Flowering**: During its blooming period, the entire population of Neelakurinji flowers simultaneously, creating a spectacular sight.

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