Describe various type of placentation with …

Placentation :- the arrangement of the ovules within the ovary is known as placentation.
placentation are of different types:-
1) Marginal
2) Axile
3) parietal
4) free central
5) basal

Marginal placentation :- In this, the placenta forms a ridge along the ventral suture of the ovary and ovules are borne on the ridge.
e.g --> pea

Axile placentation :- In this , the placenta is Axile and ovules are attached to it .
e g- China rose , tomato , lemon

Parietal placentation :- in this , the ovules develop on inner wall of the ovary or on peripheral part.
e.g -> mustard , Argemone

Free central placentation :- In this , the ovules are borne on central axis and septa are absent.
e.g-> Dianthus and Primrose.

basal placentation :- in this , placenta develop at base of ovary & single ovule is attached to it.

e g -> sunflower , marigold.