Placentation
Arrangement of the ovules in the placenta and of the placentas in the ovary.
This concept's ID is @1~58715
Contains
- lamellate placentation
With ovules on thin extensions of the placentae into a compound ovary.
- marginal placentation
With ovules borne on the wall along the ventral suture of a simple ovary.
- parietal placentation
Where ovules develop on the wall or slight outgrowths of the wall forming...
- apical placentation
Where one or few ovules develop at the top of a simple or compound ovary.
- axile placentation
Ovules are borne at or around the center of a compound ovary on an axis formed...
- basal placentation
Where one or few ovules develop at the base of a simple or compound ovary.
- free central placentation
Where ovules develop on a central column in a compound ovary lacking septa...