Question

Aestivation of petals in the flowers of cotton is shown correctly in which of the given diagrams?

Answer 1

Cotton belongs to the family Malvaceae. The corolla of these flowers show twisted aestivation, wherein, one edge of the petal overlaps the next petal and is overlapped by the other. This is called regular overlapping, as seen in figure B.

A. It is valvate aestivation, seen in mustard.

B. It is twisted aestivation, seen in cotton.

C. It is vexillary aestivation, seen in peas.

D. It is imbricate aestivation, seen in Cassia.

Hence, the correct answer is 'Option B'