Question

What is aestivation? Describe various types of aestivation.

Answer 1

Hey there..!

Aestivation means arrangement of accessory floral organs(sepals or petals) in relation to one another in a flower.

Some types of Aestivation:
-Open: Margins of adjacent petals are not overlapping / touching others.

-Valvate: Margins of the adjacent petals touch each other but without overlapping ex: Brassica

-Twisted: One margin of a petal overlaps regularly the margin of an adjacent petal.
ex: Chinarose

-Imbricate: Irregular overlapping of petals by one another.
ex: cassia.


[Note: desending Imbricate Aestivation is also called as Vexillary Aestivation. example: pea]

-----------------------------------------------

HOPE THIS HELPS YOU
BE BRAINLY

Answer 2

Aestivation is the arrangement of the flower parts inside the flower bud before it opens.

• Aestivation is also sometimes called praefoliation or prefoliation, but these words can also mean transformation: the arrangement of the leaves within the stem of a plant. The various types of aestivation are:-
• Valvate aestivation
• Twisted aestivation
• Imbricate aestivation
• Vexillary aestivation
• Quincuncial aestivation\

#SPJ6