perisperm
/ˈpɛrɪspɜrm/
noun
- A nutritive tissue in the seeds of some plants that surrounds the embryo, derived from the nucellus of the ovule.
- Botany students examined the perisperm under a microscope to understand its structure.
- In certain seeds, the perisperm stores starch that feeds the developing plant.
- Unlike the endosperm, the perisperm comes from the mother plant's tissue.