Botany. The place or part in an ovary where the ovules are attached. Also: (in ferns and fern allies) the point on a leaf where the sporangia arise.

A small placenta; a small structure with the function of a placenta; (Botany) = cotyledon, n. 3.

Botany. The placenta of a plant; = placenta, n. 2. Obsolete. rare.

the internal part of the pericarp of a fruit, to which the seeds are attached; = placenta, n. 2.

In certain types of dehiscent fruits, esp. in the family Brassicaceae (Cruciferae): a central framework to which the seeds remain attached when the…

One of the divisions or cells of a compound pistil or fruit; or the single cell of which a simple pistil or fruit consists.

= spermophore, n.

A half-fruit; one of the two carpels which constitute the fruit of the Umbelliferæ.

The placenta in plants.