Skip to main content
Knowledge4Policy
Knowledge for policy

Supporting policy with scientific evidence

We mobilise people and resources to create, curate, make sense of and use knowledge to inform policymaking across Europe.

  • Glossary item | Last updated: 03 Feb 2021

Caryopsis

Caryopsis, also called grain, specialized type of dry, one seeded fruit (achene) characteristic of grasses, in which the ovary wall is united with the seed coat, making it difficult to separate the two except by special milling processes.