Published August 20, 2014 | Version v1
Taxonomic treatment Open

Hysterodifractum D. A. C. Almeida, Gusmao & A. N. Mill. 2014, gen. nov.

  • 1. Universidade Estadual de Feira de Santana, Av. Transnordestina, S / N - Novo Horizonte, 44036 - 900. Feira de Santana, BA, Brazil. Illinois Natural History Survey, University of Illinois, 1816 S. Oak St., Champaign, IL 61820

Description

Hysterodifractum D.A.C. Almeida, Gusmão & A.N. Mill., gen. nov. MycoBank MB 807155

Hysterodifractum differs from all other genera in the Hysteriaceae in having ascospores that disarticulate into part-spores when mature.

Type species:— Hysterodifractum partisporum D.A.C. Almeida, Gusmão & A.N. Mill.

Etymology:—From Latin Hystero - referring to the hysterothecium type of ascomata, and difractum, referring to the ascospores disarticulating into part-spores.

Hysterothecia superficial, black, carbonaceous, navicular, straight or sometimes flexuous, with a longitudinal slit, smooth or slightly striated laterally, gregarious, lying at irregular angles. Pseudoparaphyses hyaline, apically branched, forming an epithecium above the asci. Asci bitunicate, cylindrical, 8-spored, uniseriate to irregularly biseriate. Ascospores pale brown, fusiform, smooth, disarticulating into part-spores.

Notes

Published as part of Almeida, Davi Augusto Carneiro De, Gusmão, Luís Fernando Pascholati & Miller, Andrew Nicholas, 2014, A new genus and three new species of hysteriaceous ascomycetes from the semiarid region of Brazil, pp. 298-308 in Phytotaxa 176 (1) on page 304, DOI: 10.11646/phytotaxa.176.1.28, http://zenodo.org/record/5144481

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Additional details

Biodiversity

Scientific name authorship
D. A. C. Almeida, Gusmao & A. N. Mill.
Kingdom
Fungi
Phylum
Ascomycota
Order
Hysteriales
Family
Hysteriaceae
Genus
Hysterodifractum
Taxon rank
genus
Taxonomic status
gen. nov.
Taxonomic concept label
Hysterodifractum Almeida & Gusmão, 2014