Torpedosporales » Torpedosporaceae

Torpedospora

Torpedospora Meyers, Mycologia 49(4): 496 (1957)

Hypocreomycetidae, Torpedosporales, Torpedosporaceae, Torpedospora

Index Fungorum number: IF5501; Facesoffungi number: FoF 02141; 3 morphological species, 2 species with sequence data

 

Saprobic on intertidal mangrove wood and roots, bark leaves, and sand in marine habitats. Sexual morph: Ascomata perithecial, hyaline, immersed or superficial, subglobose, ostiolate, papillate, subcarbonaceous to coriaceous. Paraphyses narrow, irregular, persistent or early deliquescing. Asci 8-spored, unitunicate, thin-walled, clavate to ellipsoidal, short-pedicellate, lacking an apical ring, early deliquescing. Ascospores fasciculate, hyaline, cylindrical to ellipsoidal, 3–5-septate, with several radiating appendages at one or both ends. Asexual morph: Hyphomycetous. Hyphae septate, branched, hyaline. Conidiophores present or obsolete, cylindrical, clavate, septate or aseptate, acrogenous or laterally on the hyphae, hyaline to light brown. Conidia holoblastic, irregularly helicoid, muriform, cells of the conidia tightly fused, more or less similar in size and colour, acrogenous, solitary, constricted at the septa, yellow to brown. Conidial cells up to 50 in number (adapted from Maharachchikumbura et al. 2016b).

 

Type species: Torpedospora radiata Meyers, Mycologia 49(4): 496 (1957)

 

Notes: Torpedospora is characterised by torpedo-like, cylindrical to elongate-ellipsoidal ascospores together with radiating appendages at one or both ends. This genus comprises three species, T. ambispinosa, T. mangrovei, and T. radiata (type). Molecular studies by Sakayaroj et al. (2005), Schoch et al. (2007), Abdel Wahab et al. (2010) and Jones et al. (2015) showed that they group in the same clade with high bootstrap support, which suggest that they are congeneric. A study by Abdel-Wahab et al. (2018) also supported this.

 

Species:

 

Torpedospora mangrovei (Abdel-Wahab & Nagah.) E.B.G. Jones & Abdel-Wahab

 

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