Notes from NEET topper

Placentation:

  • Placentation refers to the arrangement of ovules within the ovary of a flower.

  • Different types of placentation include:

    a) Axile: Ovules are attached to a central column or axis in the ovary.

    b) Parietal: Ovules are attached to the inner wall (parietal wall) of the ovary.

    c) Free Central: Ovules are attached to a central placenta that is not connected to the ovary wall.

    d) Basal: Ovules are attached at the base of the ovary.

    e) Marginal: Ovules are attached along the margin of the ovary.