Fungalpedia – Note 842, Scortechiniellopsis
Scortechiniellopsis. Arx & E. Müll.
Citation when using this data: Huang SK et al. 2021 (in prep.) – Fungalpedia, Ascomycota.
Index Fungorum, Facesoffungi, MycoBank, GenBank., Fig 1
Classification: Scortechiniaceae, Coronophorales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi
Saprobic on wood. Sexual morph: Subiculum composed of numerous, brown to dark brown, branched, septate hyphae, with dichotomously branched, tapering ends. Ascomata scattered or gregarious, superficial, sitting in a subiculum, coriaceous, brown to black, globose to subglobose, the apex collapsing when dry, glabrous, lacking ostioles, with a central, conical Quellkörper at apex, almost or touching the bottom of the locule. Peridium composed of membranaceous, brown to hyaline cells of textura angularis to textura prismatica. Paraphyses filiform. Asci polysporous, arising from a hyaline placenta-like tissue, radially extending into the locule around the Quellkörper from the base, unitunicate, clavate to cylindrical, pedicellate, apex rounded, without apical ring, evanescent. Ascospores overlapping, hyaline, reniform, allantoid to ovoid, aseptate, smooth-walled, guttulate. Asexual morph: Undetermined (adapted from Sivanesan 1974).
Notes – The monotypic Scortechiniellopsis was initially placed in Coronophorales (Sivanesan 1974). However, Mugambi & Huhndorf (2010) accepted it in Scortechiniaceae based on phylogenetic result. In this study, Scortechiniellopsis is sister to Biciliospora and Scortechiniella (83%ML/1.00BY), differing from it in the possessing of ascospores without appendage.
Type species: Scortechiniellopsis leonensis Sivan., Trans. Br. mycol. Soc. 62(1): 37 (1974).
Other accepted species: Species Fungorum – search Scortechiniellopsis.
Figure 1 – Scortechiniellopsis leonensis: a–b (IMI-58117, holotype); c–f (redrawn from Sivanesan 1974). a Material. b Hyphae on host. c Sectional view of Ascoma. d Hyphae of subiculum. e Ascus. f Ascospores; Cryptosphaerella nitschkei: g (IMI-K-M251354); h–i (NY-02934200); j–k (redrawn from Saccardo 1882b). g–h Immersed ascomata. i Ascoma cross section. j Ascus. k Ascospores; Scortechiniella similis: l–n (redrawn from von Arx & Müller 1954). l Sectional view of ascoma. m Ascus. n Ascospores. Scale bars: g = 1 mm, h = 500 µm, b–c, i, l = 200 µm, d, j, m = 50 µm, e, k, n = 20 µm, f = 10 µm.
References
Entry by
Shi-Ke Huang, State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China, The Engineering Research Center of Southwest Bio-Pharmaceutical Resources, Ministry of Education, Guizhou University, Guiyang 550025, Guizhou Province, China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand, The Mushroom Research Centre, Guizhou University, Guiyang 550025, China
Published online 14 September 2021