Cruciform corolla is found in

Identify the type of aestivation shown in the given figures $P, Q, R,$ and $S$ and select the correct sequence of plants in which they are found.

Obdiplostemonous condition is that in which the stamens are in two whorls and

Describe the structure and types of Gynoecium.

Synandrous condition is the fusion of

$A$ typical angiosperm flower consists of four floral parts. Give the names of the floral parts and their arrangements sequentially.