Question

The arrangement of flowers in Sunflower(Helianthus annuus) is?

• A. Acropetal
• B. Basipetal
• C. Centripetal
• D. Centrifugal

Answer 1

The correct option is C Centripetal

A. Acropetal is that younger flowers are present towards the apex and the older flowers are present at the base. It is seen in racemose inflorescence. Example: Radish and Mustard.

B. Basipetal is opposite of acropetal. The younger flowers are present at the base and old flowers are present towards the apex. It is seen in cymose inflorescence. Example: teak.

C. Centripetal is the peripheral flowers mature first and then maturation proceeds towards the center. It is seen in racemose inflorescence. Example: sunflower.

So, the correct answer is 'Centripetal'.