Taiwanascus
Taiwanascus Sivan. & H.S. Chang, Mycol. Res. 101(2): 176 (1997)
Hypocreomycetidae, Hypocreales, Niessliaceae, Taiwanascus
Index Fungorum number: IF 27752; 2 morphological species (Species Fungorum 2020).
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 (copied from Huang et al. 2021).
Type species: Taiwanascus tetrasporus Sivan. & H.S. Chang, Mycol. Res. 101(2): 176 (1997)
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 (copied from Huang et al. 2021).
Species illustrated in this entry:
Taiwanascus tetrasporus Sivan. & H.S. Chang
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