Diaporthales¬†genera¬†incertae sedis » Diaporthales genera incertae sedis


Phruensis Pinruan

Index Fungorum number: IF28878; 1 species with sequence data.

Sexual morph: Ascomata immersed, subglobose, black, coriaceous, ostiolate, with long central cylindrical neck. Peridium composed of 2 layers, with outer layer parenchymatous, intensely brown and merging with the host cells, with inner layer, cells elongate and hyaline. Paraphyses hyaline, broad, septate. Asci unitunicate, cylindrical to fusiform, apedicellate, apically rounded, J-, subapical ring. Ascospores cylindrical, straight or curved, versicolorous, transseptate, brown with hyaline or pale brown end cells. Asexual morph: Hyphomycetous. Colonies on PDA effuse, brown mycelium party immersed, nonstromatic. Conidiophores semimacronematous, mononematous, branched, straight or slightly flexuous, pale brown to brown, smooth. Conidiogenous cells monophialidic, determinate, with small collarettes. Conidia straight or curved, oblong, hyaline, smooth. (Description based on Luo et al. 2019)

Type species: Phruensis brunneispora Pinruan, Mycologia 96(5): 1165 (2004)


Notes: Pinruan et al. (2004) introduced the genus Phruensis with a single species P. brunneispora, which was collected from a submerged palm in Sirindhorn Peat Swamp Forest in Thailand. No more species reported for this genus since it was introduced.



Luo ZL, Hyde KD, Liu JK, Maharachchikumbura SSN et al. 2019 – Freshwater Sordariomycetes. Fungal Diversity 99, 451–60.

Pinruan U, Sakayaroj J, Jones EBG & Hyde KD. 2004 - Aquatic fungi from peat swamp palms: Phruensis brunneispora gen. et sp. nov. and its hyphomycete anamorph. Mycologia, 96:5, 1163-1170.


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