Question

name the two unusual flowering phenomena exhibited by plants ?

Answer 1

Bamboo flower only once in their lifetime ,i.ie. after 50- 100 years

 

Strobilanthus kuthiana (Neelakuranji) present on nilgiri hills flower once in 12 years

Answer 2

Flowering in Bamboo plant is considered a unique flowering process because this type of flowering is very rare and unique in plant kingdom.  

Bamboo plant produces spectacular flowers once every 60 to 130 years, depending upon the species.  

Similarly, a plant of Neela kuranagi exhibit flowers once in 12 years.