Which of the following plant flowers once in 12 years? HomeMedical Entrance ExamWhich of the following plant flowers once in 12 years?Biology, Medical, NEETWhich of the following plant flowers once in 12 years?Option 1 : Mangifera indicaOption 2 : Strobilanthus kunthiana (Neelakuranji)Option 3 : Helianthus annusOption 4 : Papver somniferum