Neoheleiosa
Neoheleiosa Mortimer, in Mortimer et al., Frontiers in Microbiology: 6 (2021).
Index Fungorum number: IF 838517; Facesoffungi number: FoF 11960, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on dead wood. Sexual morph: Ascomata, solitary, scattered, immersed to erumpent, globose to subglobose or obpyriform, dark brown to black, coriaceous, ostiolate. Ostiole centric or eccentric, papillate, black, smooth, filled with hyaline cells when mature. Peridium comprising blackish to dark brown, thin-walled cells of textura globulosa. Hamathecium comprising numerous, branched, septate, pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, cylindric, pedicellate, rounded, and thick-walled at the apex, with an ocular chamber. Ascospores overlapping uniseriate, narrowly ovoid to clavate, uniseptate, initially hyaline, becoming dark brown at maturity, with conically rounded ends, guttulate, thick walled, faintly longitudinally striated, lacking a mucilaginous sheath. Asexual morph: Unknown (adapted from Mortimer et al. 2021).
Type species: Neoheleiosa lincangensis Mortimer
Notes: Neoheleiosa is characterised by solitary, scattered, immersed to erumpent, globose to subglobose ascomata, branched, septate, pseudo paraphyses, cylindric, pedicellate, rounded asci and overlapping uniseriate, narrowly ovoid to clavate, uniseptate ascospores. No culture is available for Neoheleiosa as DNA was extracted directly from fruiting bodies. Neoheleiosa is morphologically and phylogenetically a distinct and well-supported genus in Monoblastiaceae. Sequence data available for Neoheleiosa include ITS, SSU, LSU, TEF-1 and mtSSU.
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