Ascoma -
: A completely closed, spherical structure that must rupture or decay to release its spores.
: A flask-shaped structure with a specialized pore (ostiole) through which spores are discharged. ascoma
: The primary role of the ascoma is to protect developing spores and facilitate their dispersal into the environment. In some species, such as truffles, the ascomata are edible and develop underground (hypogeous). : A completely closed, spherical structure that must