In what kind of aestivation does a flower bud appears bent or contorted due to overlapping appendages.

Valvate

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Vexillary

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Papilionaceous

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Twisted

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Solution

The correct option is D
Twisted

The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation. The main types of aestivation are valvate, twisted, imbricate and vexillary. If one margin of the appendage overlaps that of the next one and so on as in china rose, lady’s finger and cotton, it is called twisted.

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