Based on the position of floral parts on thalamus, the flowers, are described as hypogynous, perigynous and epigynous. Which of the following floral forms (A-D) represents the flowers of Rosa and Prunus respectively ?

Options

A. A and B
B. B and C
C. C and D
D. B and D

Answer

B

Explanation

In perigynous condition of a flower, the gynoecium is situated in the centre and other floral parts are located on the rim of the thalamus almost at the same level. Ovary is said to be half-inferior, e.g., Rosa (flask-shaped thalamus), Prunus (Cup-shaped thalamus).