pyxidium
/pɪkˈsɪdiəm/
noun
- A type of dry fruit that opens by a lid (like a small box), found in some plants such as the plantain.
- Unlike a berry, a pyxidium opens by a circular cap rather than splitting along sides.
- The pyxidium of the plantain splits open at the top to release its seeds.
- Botany students examined the pyxidium under a microscope to see its lid-like structure.
Synonyms