Fungalpedia – Note 862, Taiwanascus
Taiwanascus. Sivan. & H.S Chang.
Citation when using this data: Huang SK et al. 2021 (in prep.) – Fungalpedia, Ascomycota.
Index Fungorum, Facesoffungi, MycoBank, GenBank., Fig 1
Classification: Niessliaceae, Hypocreales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi
Saprobic on wood. Sexual morph: Ascomata cleistothecial, solitary, superficial, globose, brown, membranaceous, tuberculate, with setae. Setae cylindrical, aseptate, brown, straight, smooth-walled, with branched ends. Peridium composed of membranaceous, olivaceous brown cells of textura angularis. Paraphyses absent. Asci 4-spored, unitunicate, cylindrical, pedicellate, apex rounded, apical ring absent, evanescent. Ascospores bi-seriate to overlapping, hyaline, fusiform or ellipsoidal, straight or slightly curved, aseptate or 1-septate, smooth-walled, guttulate. Asexual morph: Undetermined (adapted from Sivanesan & Chang 1997, Rajeshkumar & Rossman 2013).
Notes – Taiwanascus was introduced by Sivanesan & Chang (1997) for T. tetrasporus. Rajeshkumar & Rossman (2013) subsequently introduced second species, T. samuelsii, from India. These species have cleistothecial ascomata with special branched setae, but the former has fusiform ascospores and the latter has ellipsoidal (Sivanesan & Chang 1997, Rajeshkumar & Rossman 2013). There is no sequence data available for this genus.
Type species: Taiwanascus tetrasporus Sivan. & H.S. Chang, Mycol. Res. 101(2): 176 (1997).
Other accepted species: Species Fungorum – search Taiwanascus.
Figure 1 – Taiwanascus tetrasporus: (IMI-364835, holotype). a Material. b–c Ascomata on the host. d Squashed ascoma. e Seta. f Surface view of ascoma. g–h Asci. i Ascospores. Scale bars: b = 1 mm, c = 500 µm, d = 50 µm, f–h = 20 µm, e. i = 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