Question

What are the various types of thalamus in relation to position of various types of floral organs?

Answer 1

On the basis of the arrangement of the calyx, corolla, androecium, and gynoecium with respect to the ovary on thalamus flower is divided into three different categories:-

A)Hypogynous Flower:-Ovary is situated at the highest position in the thalamus and all the other parts are present below it.

The examples are China rose, mustard etc.

B)Perigynous:-Ovary is at the center and other floral parts are present on a rim of the thalamus.

The examples are plum, peach and rose.

C)Epigynous:-Ovary is situated at the lowest position and rest floral parts are present above it.

The examples are guava and cucumber