Ascomycota, genera » Ascomycota, incertae sedis

Diplosporonema

Diplosporonema Höhn., Sber. Akad. Wiss. Wien, Math.-naturw. Kl., Abt. 1 126(4-5): 335 (1917)

Facesoffungi number: FoF 07319

Ascomycota, genera incertae sedis

 

Saprobic on the host plant in terrestrial habitat. Sexual morph: undetermined. Asexual morph: Conidiomata brown, acervular, solitary, immersed to erumpent, globose to subglobose, unilocular, glabrous. Ostiole absent, dehiscence by irregular splits of apical wall. Conidiomatal wall composed of thin-walled, pale brown to hyaline cells of textura angularis. Conidiophores arising from inner cells of basal stroma, hyaline, cylindrical to subcylindrical, branched at the base and above, septate, smooth-walled. Conidiogenous cells hyaline, holoblastic, sympodial, subcylindrical, integrated or discrete, indeterminate, smooth-walled, with 1–2 conidia formed sympodially from broad, flat, unthickened, scarcely protuberant scars. Conidia hyaline, clavate, with an obtuse apex and a truncate base, 1–2-septate, smooth-walled (adapted from Sutton 1980).

 

Type species: Diplosporonema delastrei (Lacroix) Höhn. ex Petr., Sydowia 1(1-3): 74 (1947)

 

Notes: Diplosporonema delastrei is associated with host plants, such as Agrostemma githago, Silene spp., Melandrium sp. and Caryophyllaceae (Sutton 1980). The genus is monotypic, and there is no molecular data available.

 

Distribution: Austria, Canada, Czech Republic, Latvia, USA (Sutton 1980).

 

 

Diplosporonema delastrei (redrawn from Sutton 1980) a Conidiophores, conidiogenous cells and developing conidia. b Conidia.

 

References:

 

Li WJ, McKenZie EHC, Liu JK, Bhat DJ, Dai DQ, Caporesi E, Tian Q, Maharachcikumbura SSN, Luo ZL, Shang QJ, Zhang JF, Tangthirasunun N, Karunarathna SC, Xu JC, Hyde KD (2020) Taxonomy and phylogeny of hyaline-spored coelomycetes. Fungal Diversity 100: pages279–801.

 

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