Epygynous flowers are seen
Guava
Rose
Mustard
China rose
Accessory whorl of flower which attract insects for pollination.
In the diagram of types of placentation given above ${ }^{\prime} A^{\prime},{ }^{\prime} B ^{\prime},{ }^{\prime} C ^{\prime}$, and $^{\prime} D ^{\prime}$ respectively represent
United sepals are called ...$A$... Free sepals are called ...$B$....
Here, $A$ and $B$ refers to
Delete the odd one :
Flower is a modified shoot as