Which type of placentation is found in China rose and tomato?

The staminal tube is found in . . . . . . .

Which of the following is the correct group of flowers showing half-inferior (perigynous) ovaries?

Versatile anthers occur in

Placentation is basal in

The arrangement of ovules within the ovary is known as placentation. What does the term placenta refer to? Name and describe various types of placentations in flowers as seen in $T.S.$ or $V.S$.