apothecium

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apothecium

the fruiting body of some ascomycete fungi (cup fungi) and lichens, containing asci (see ASCUS). Often lightly coloured, they can reach up to 40 cm in diameter, but are usually only a few millimetres across.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Although Haematomma chilenum is extremely variable in the apothecial morphology, the ascospores are 4- to 7-celled with rare exceptions.
Thallus a thin black or yellow crust, or a lobulate, areolate yellow crust, or not evident (growing within substrate); apothecial disk and margin yellow 2.
Apothecia and thallus K-; apothecial disk a dull waxy yellow with a white pruinose rim Caloplaca ulmorum 2.