Answer:
Placentation is the
arrangement of ovules on the walls of ovary with the help of specialkind of
tissue called placenta. Plants show different types of placentation, central
and axile are among them.
Theyhave the
following differences
Free Central
Placenta ion
Axile Placenta
ion
Ovary contains only one
chambers the placenta bearing. The ovules are borne on the central axis and
less free inside the ovary. The septa are absent.
e.g., Dianthus,
Silensa, etc,
Ovary is syncarpous and
multi-carpellary, i.e., contain many chambers. Placenta arise from the
central axis where the septa fuse to form axile column to which ovules are
attached.
e.g., Citrus,
tomato etc.
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