Fialida

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Conidiofor in Penicillium. Conidia chains are formed on the fialids

Fialida - in fungi, it is a special type of conidia that has an open end, through which the conidia spores emerge. The name comes from Greek (phiale - small bottle, jar). Fialida is a cell that does not grow further after reaching a certain height, but begins to produce spores. There are two types of fialid:

Conidia produced in fialid may be isolated individually (eg in Acremonium), to form chains (eg Penicillium) or head clusters (eg Aspergillus).

Fialids usually have a bubbly or bottle shape. After separation of the conidia from the fialid, there is a trace in the form of a ring surrounded by a clear collar, while the fialida itself is slightly longer. The fialid structure, the type of trail left and the collar, as well as the conidiogenesis are important features in microscopic identification of many species of fungi.

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