What is acropetal and centripetal succession?

Answer: Acropetal succession refers to the situation when the elder petals are situated at the bottom while the youngsters are situated at the tip in this altered racemose flower.

Centripetal succession is the altered racemose flower where the outer petals open initially and then the inner blooms do the same. Hence this term altered in the form of inflorescence and racemose. Hence, the plant flower’s arrangement in which new buds and new flowers are at the highest position.