Ovules Can Be arranged Within an ovary in a Variety of ways
Parietal placentation
Axile placentation
Basal placentation
Free-central placentation
Marginal placentation
Parietal placentation
Parietal placentation occurs in the brassicaceae family
Axile placentation(or central-angular)
This type of placentation is seen in solanaceae, rutaceae and liliaceae families
Basal placentation
Basal placentation can be found in the Asteraceae and Poaceae family
Free central placentation
A type of placenta structure in an ovary, in which the ovules cluster freely around a columnlike central placenta which is attached at the base of the ovary.
examples are dianthus and primrose
Marginal placentation
Marginal placentation is a feature of the Fabaceae/Leguminosae family.
Examples of marginal placentation are plants of the legume family (pod plants), like pea and beans.
