seed coatseed coat
Pumpkin seeds have seed coats.
The definition of a seed coat is the outside layer of a seed.
An example of a seed coat is the part of a pumpkin seed that is usually removed before eating.
The outer protective covering of a seed. The seed coat develops from the integument of the ovule. Also called testa
- If the fruit is a dehiscent one and the seed is therefore soon exposed, the seed-coat has to provide for the protection of the embryo and may also have to secure dissemination.
- Special outgrowths, arils, of the seed-coat are of frequent occurrence.
- On the other hand, indehiscent fruits discharge these functions for the embryo, and the seed-coat is only slightly developed.
- A, Part of seed-coat with hairs B,, insertion and lower part; B2 middle part; and Bar upper part of a hair (X300).
- The pulp is of the nature of an aril, that is, an additional seed-coat.