Dematiopleospora
Dematiopleospora Wanas., Camporesi, E.B.G. Jones & K.D. Hyde, in Wanasinghe et al., Cryptog. Mycol. 35(2): 110 (2014).
Index Fungorum number: IF 550537; Facesoffungi number: FoF 00242, 7 morphological species (Species Fungorum 2022), 7 species with molecular data.
Saprobic on dead herbaceous branches. Sexual morph: Ascomata superficial, solitary, scattered, broadly oblong and flattened, dark brown to black, coriaceous, cupulate when dry, ostiolate. Ostiole papillate, black, smooth, with ostiolar canal comprising short, light brown setae. Peridium thick, comprising 5−6 layers, thick at the sides and thinner at the base, outer layer heavily pigmented, thick-walled, comprising reddish to dark brown cells of textura angularis, inner layer composed of hyaline thin-walled cells of textura angularis. Hamathecium comprising numerous, filamentous, branched septate, pseudo paraphyses. Asci 8-spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate, pedicellate, thick-walled at the apex, with minute ocular chamber. Ascospores overlapping 1−2-seriate, muriform, ellipsoidal sub fusiform, slightly curved, upper part larger than the lower part, 5−9 transversely septate, with 3−6 vertical septa, deeply constricted at the middle septum, initially hyaline, becoming yellowish brown at maturity, ends lighter, conical and narrowly rounded at the ends, without a mucilaginous sheath. Asexual morph: Unknown (adapted from Wanasinghe et al. 2014).
Type species: Dematiopleospora mariae Wanas., Camporesi, E.B.G. Jones & K.D. Hyde
Notes: Dematiopleospora is unique in having ascospores with light end cells and central cells with longitudinal septa, ascomata with a thick peridium and necks with short, light brown, apical setae. Molecular markers available for Dematiopleospora include ITS, LSU, SSU, TEF-1 and RPB2.
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