perithecium
/ˌpɛrɪˈθiːsɪəm
/noun (plural perithecia /ˌpɛrɪˈθiːsɪə/) Botany
(In some fungi) a round or flask-shaped fruiting body with a pore through which the spores are discharged.A spore leaving the perithecium travels nearly straight up at first....
- All these steps take place in a specialized fruiting structure, the perithecium.
- Features of the spores and the perithecium in which they occur suggest that this may be a fossil species of Savoryella.
Origin
Mid 19th century: modern Latin, from peri- 'around' + Greek thēkē 'case'.