Phaeoappendicospora
Phaeoappendicospora Senan., Q.R. Li & K.D. Hyde, in Senanayake, Crous, Groenewald, Maharachchikumbura, Jeewon, Phillips, Bhat, Perera, Li, Li, Tangthirasunun, Norphanphoun, Karunarathna, Camporesi, Manawasighe, Al-Sadi & Hyde, Stud. Mycol. 86: 286 (2017)
Diaporthomycetidae, Diaporthales, Phaeoappendicosporaceae, Phaeoappendicospora
Index Fungorum number: IF821572; 1 morphological species; 1 species with sequence data
Saprobic on dead woody stems. Sexual morph: Stromata forming thin weft of pale brown hyphae around upper part of perithecia. Ascomata immersed, grouped, subglobose to globose, coriaceous, black, ostiolate. Ostiole papillate, periphysate, lateral. Papilla black, cylindrical. Periphyses hyaline, filamentous. Peridium composed of black, thick-walled cells of textura angularis. Paraphyses few, septate, hyaline, originating from the base, longer than asci. Asci 8-spored, unitunicate, ellipsoid, short-pedicellate, apex narrow, blunted, thick-walled, comprising a flat, inconspicuous, J- refractive ring at the lower end of the apical wall. Ascospores ellipsoidal to ovoid, pale brown, with broadly rounded ends, 1-septate, not constricted at the septum, with thick and smooth walls, guttulate, comprising short, hyaline, rounded appendages at both ends. Asexual morph: Undetermined (Senanayake et al. 2017).
Type species: Phaeoappendicospora thailandensis Senan., Q.R. Li & K.D. Hyde, in Senanayake, Crous, Groenewald, Maharachchikumbura, Jeewon, Phillips, Bhat, Perera, Li, Li, Tangthirasunun, Norphanphoun, Karunarathna, Camporesi, Manawasighe, Al-Sadi & Hyde, Stud. Mycol. 86: 286 (2017)
Notes: Phaeoappendicospora was introduced in Diaporthales genera incertae sedis. The genus has been introduced based on Phaeoappendicospora thailandensis, obtained from a dead branch of Quercus sp. The species resembles Hapalocystis berkeleyi (Sydowiellaceae). It did not, however, cluster with any Hapalocystis taxa nor with any family in the Diaporthales, which resulted to its being classified as genera incertae sedis (Senanayake et al. 2017). Crous et al. (2019) introduced Phaeoappendicosporaceae for this genus with Neophaeoappendicospora. The genus is characterised by brown and small ascospores.
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