Neodeightonia

NeodeightoniaC. Booth, in Punithalingam, Mycol. Pap. 119: 17 (1970) [1969].

 Index Fungorum number: IF 3450;Facesoffungi number: FoF 07627, 8 morphological species (Species Fungorum 2022), 8 species with molecular data.

Saprobic on host.Sexual morph:Ascostromata immersed, dark brown to black, with a single aparaphysate locule, wall composed of pseudoparenchymatic cells many layers thick, asci developing amongst partially disintegrating sterile thin-walled tissue in locule.Neck of ascostromatanarrow, opening by an apical ostiole, formed by the disintegration of the central thin-walled cells.Pseudoparaphyseshyphae-like, septate, constricted at the septa.Asciparallel, more or less separated from one another by stromatic tissue, clavate to cylindric-clavate, 8-spored, bitunicate with a thick endotunica.Ascospores biseriate, initially hyaline, brown when mature, oval to broadly ellipsoidal with a single transverse septum, surrounded or not by a mucilaginous sheath.Asexual morph:Conidiomata brown to black, solitary or aggregated, sometimes intermixed with ascomata, globose, uni- to multilocular, stromatic, wall composed of dark-brown thick-walledtextura angularis.Paraphyses absent.Conidiogenous cells holoblastic, hyaline, aseptate, cylindrical to sub-cylindrical.Conidia spherical to globose, initially hyaline, pale to dark brown when mature, thick walled, smooth to finely rough-walled with fine striations (adapted fromPhillips et al. 2013).

Type species:Neodeightonia subglobosaC. Booth

Notes:Neodeightonia subglobosa was transferred toBotryosphaeria byArx and Müller (1975) andNeodeightonia was reduced to synonymy underBotryosphaeria.Neodeightonia is characterised by dark brown to black immersed ascostromata, hyphae-like pseudoparaphyses, clavate to cylindric-clavate asci, and biseriate, hyaline to, pale to dark brown ascospores.Neodeightonia differs fromBotryosphaeriain having dark, uniseptate ascospores.Neodeightonia was reinstated byPhillips et al. (2008) based on morphology and phylogenetic evidence.Punithalingam (1969) discussed the germ slits in the conidia ofNeodeightonia.Crous et al. (2006) mentioned that these were actually striations on the conidial wall and this was confirmed byPhillips et al. (2008).Neodeightonia resemblesLasiodiplodia in having similar striate conidial walls but differs in lacking conidiomatal paraphyses.Neodeightonia is a distinct and well-supported genus inBotryosphaeriaceae. Molecular markers available forNeodeightoniaare ITS, LSU, SSU, BTUB, TEF-1 and RPB2.

Recent News

Recent Genus

Recent Species

About Dothideomycetes

The website Dothideomycetes.org provides an up-to-date classification and account of all genera of the class Dothideomycetes.

Contact

• Email:
  dothideomycetes.org@gmail.com
• Address:
  Mushroom Research Foundation,
  292 Moo 18 Bandu District
  Muang Chiangrai
  57100 Thailand

Published by the Mushroom Research Foundation 
Copyright © The copyright belongs to the Mushroom Research Foundation. All Rights Reserved.