The side of the flower facing the mother axis is called the ..........

In which of the following,the flowers always have a single whorl of perianth?

The term "tepal" is used for which of the following?

Epigynous flowers means:

Answer the following questions $(A)$ and $(B)$ by using the given diagram:-
$(A)$ Type of placentation?
$(B)$ Example of this placentation?

The standard petal of a papilionaceous corolla is also called