Extenditunicate type dehiscence
extenditunicate-type dehiscence (noun,ascus term, pl. extenditunicate-type dehiscences) – ascus dehiscence characterized by elongation of the ascus before the formation of a pore; the inner and outer layers typically remaining closely adherent. This type of dehiscence is present in some, but not all lecanoralean asci; e. g., the Dactylospora- or Teloschistes-type; sometimes the apical pore tears further apart into halves or segments separated by fissures, see bivalve or fissurate dehiscence. Kind of:ascus dehiscence type.
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