Discotubeufia
Discotubeufia Jayasiri, E.B.G. Jones & K.D. Hyde, in Jayasiri et al., Mycosphere 10(1): 156 (2019).
Index Fungorum number: IF 555585; Facesoffungi number: FoF 05300, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on decaying pod of Brownea sp. Sexual morph: Ascomata globose when dry becoming cup-shaped, erumpent to superficial, light brown to dark, setiferous; setae attached to outer wall, tapering towards the tip, dark brown, rough. Peridium composed of pseudoparenchymatous dark brown outer layer, pale brown middle layer and hyaline inner layer, forming a textura angularis in surface view, with inner layers textura angularis to textura prismatica. Hamathecium sparse, septate pseudoparaphyses, immersed in a gelatinous matrix. Asci 8-spored, bitunicate, fissitunicate, cylindrical to subcylindrical or obclavate, tapering toward the base, with a long stipe, thick-walled at the apex. Ascospores uni to biseriate, hyaline, asymmetric, with upper part broader than lower part, fusiform to cylindrical, 3-septate, multi-guttulate, without an appendage. Asexual morph: Unknown (adapted from Jayasiri et al. 2019).
Type species: Discotubeufia browneae Jayasiri, E.B.G. Jones & K.D. Hyde
Notes: Discotubeufia is characterised by cup-shaped, erumpent to superficial, light brown to dark, setiferous ascomata and cylindrical to subcylindrical asci. Discotubeufia is morphologically and phylogenetically a distinct and well-defined genus in Tubeufiaceae. Molecular markers available for Discotubeufia are ITS, LSU, SSU and RPB2.
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