unitunicate ascus — a cylindrical ascus whose wall has a single layer. There are two types: the operculate type has a small cap at the end of the ascus, which pops open when the mature organism is ready to eject its spores; and the inoperculate type has no cap and… … Medical dictionary
Clavicipitales — Clav·i·cip·i·ta·les (klav″ĭ sip″ĭ taґlēz) an order of perfect fungi of the subphylum Ascomycotina, series Unitunicatae, characterized by perithecia formed in well developed stroma and inoperculate asci. Most species are … Medical dictionary
Helotiales — He·lo·ti·a·les (he″lo she aґlēz) an order of fungi of the subphylum Ascomycotina, series Unitunicatae, having inoperculate asci; some species are saprobes and others are parasites of plants. It includes the genus Sclerotinia … Medical dictionary
Hypocreales — Hy·po·cre·a·les (hi″po kre aґləs) an order of perfect fungi of the subphylum Ascomycotina, series Unitunicatae, characterized by inoperculate asci; it includes the family Hypocreaceae … Medical dictionary
Pezizales — Pez·i·za·les (pez″ĭ zaґlēz) an order of perfect fungi of the subphylum Ascomycotina, series Unitunicatae, usually saprobes, characterized by fleshy ascocarps of various shapes that form as a hymenium, as well as operculate asci.… … Medical dictionary
Sordariales — Sor·da·ri·a·les (sor da″re aґlēz) an order of perfect fungi of the subphylum Ascomycotina, series Unitunicatae, characterized by inoperculate asci; most are saprobes. It includes the family Sordariaceae … Medical dictionary
Sphaeriales — Sphae·ri·a·les (sfe″re aґlēz) an order of perfect fungi of the subphylum Ascomycotina, series Unitunicatae, characterized by inoperculate asci. Many fungi formerly in this order have now been assigned elsewhere, such as in the order… … Medical dictionary