BOTANY

Detailed explanation-1: -Aestivation is the mode of arrangement of sepals or petals with respect to the other members of the same whorl. In a certain type of aestivation, sepals or petals are arranged without overlap and the margins of the petals touch one another.

Detailed explanation-2: -Aestivation or estivation is the positional arrangement of the parts of a flower within a flower bud before it has opened. Aestivation is also sometimes referred to as praefoliation or prefoliation, but these terms may also mean vernation: the arrangement of leaves within a vegetative bud.

Detailed explanation-3: -The arrangement of floral leaves in a floral bud is known as aestivation. It occurs in different floral parts like calyx and corolla. The arrangement of leaves in a vegetative bud is known as prefoliation. The folding of each individual leaf in a bud is known as ptyxis.

Detailed explanation-4: -Aestivation (in botanical terms) is the arrangement of sepals and petals in floral buds with respect to other members of the whorl. It is often confused with vernation, which is the arrangement of scales and new leaves in a leaf bud before it opens. The sepals and petals are collectively known as a perianth.

Detailed explanation-5: -In this arrangement, the margins of two petals are inside and two petals are outside, and one petal’s margin is both inside and outside. The examples of flowers that depict this type of aestivation are Cassia and Delonix.