Question

what is aestivation​

Answer 1

Answer:

Arrangement of whorls like Calyx & Corolla inside a bud(flower) is known as Aestivation .

       

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Answer 2

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Aestivation is the mode of arrangement of sepals or petals in the floral bud with respect to the other members of the same whorl.

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Additional information~

It is divided into five main types:-

Valvate Aestivation

when sepals or petals are arranged in a whorl and just touch.

Twisted Aestivation

One margin of appendages overlaps that of the next one as seen in China rose.

Imbricate Aestivation

Margin of flower overlaps but not in a particular manner as in Gulmohar.

Vexillary Aestivation

When five petals differentiated into large standard petal or vexillum which overlaps two lateral petals called wings which in turn overlap the smallest anterior petals called keel and is the characteristic feature of the papilionoceae family also called as papilionaceous aestivation.

Quincuncial Aestivation

When the petals are arranged in a manner that two petals are completely out of the whorl and two are completely inside while one left is half outer and half is inner side present as seen in Ranunculus.

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