5. Define the following terms: (a) aestivation
Explanation Aestivation: It refers to arrangement of sepals or petals in a floral bud with respect to the other floral member.There are four types of aestivation in plants- valved, twisted, imbricate and vexillary. Final Answer Aestivation: It refers to arrangement of sepals or petals in a floral bud with respect to the other floral member.
