Strobilanthus kunthiana flowers once in

Options

A. 5 years
B. 12 years
C. 20 years
D. 50 years.

Answer

b

Explanation

Strobilanthus kunthiana (Neelakuranji) flower 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 areas of Kerala, Karnataka and Tamil Nadu and attract a large number of tourists due to mass flowering.