Strobilanthus kunthiana flowers once in: A. 8 years B. 12 years C. 16 years D. 20 years
Option B Strobilanthes kunthiana (Neelakurinji) flowers once in 12 years, its juvenile phase is very long. The last time this plant flowered during September-October 2006. It is found in hilly area of Kerala, Karnataka and Tamil Nadu and attracts a large number of tourists due to mass flowering.