Aestivation

1. What is Aestivation?

Answer:

Aestivation can be defined as the arrangement of Flower Parts within a Flower bud before it opens. They can be seen in the nature, or some Flowers can be arranged artificially to enhance the beauty and due to this Flower looks more beautiful. It is also known as praefoliation or prefoliation.

2. What are the types of Aestivations?

Answer:

There are four main types of Aestivations that includes Valvate Aestivation, Imbricate Aestivation, Crumpled Aestivation, Twisted Aestivation and the other type of Aestivation are Quinicunical Aestivation, and Vexillary Aestivation.

3. Define Valvate Aestivation.

Answer:

It is the type of Floral arrangement where the Sepals and Petals are arranged in a manner where they meet at the edges without overlapping. Few Examples of Aestivation are Sweet Pea, Garden Pea, Yellow Pea and some flowers of Jasmine, Calotropis, mustard, and Annona.

4. Define Vexillary Aestivation.

Answer:

It is the type of Floral arrangement where Petals or Sepals are arranged in a Flower bud, where one Petal or Sepal overlaps the other in specific manner. It is seen in Leguminous plants such as beans, and Peas. The examples of Vexillary Aestivation are flowers of Crotalaria, Tephrosia, and Dolichos flowers.

5. Define Twisted Aestivation.

Answer:

It is the type of Floral arrangement where the Sepals or Petals are spiraled or twisted around each other. This type of Aestivation is also known as contorted aestivation or convolute Aestivation. The Examples of Twisted Aestivation are flowers of Cotton, Ladyfinger, Malva, and Hibiscus.

Aestivation is an arrangement of sepals or petals in a flower bud of a plant. It is the arrangement before the flower blooms. It determines how the Petals, Seals, and other structures are positioned inside the bud. Many types of aestivation patterns include Valvate, Twisted, Imbricate, Crumpled, Vexillary, and Quincunicial. these patterns play a role in protecting the Reproductive structure of the flower and ensuring successful Pollination. It is also known as praefoliation or prefoliation.