In Calotropis, aestivation is :

In Calotropis, aestivation is :
  1. Imbricate
  2. Twisted
  3. Valvate
  4. Vexillary

Solution

When sepals or petals in a whorl just touch one another at margin, without overlapping, as in Calotropis, it is said to be valvate. Imbricate aestivation is exhibited by Cassia, Twisted aestivation is exhibited by China rose, Vexillary aestivation is exhibited by Pea.

Asked in: NEET 2023 (Manipur)

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