formosanus

Sexual morph: Ascomata 221-(231)-241 × 182-(234)-285 μm (n=2), dark-coloured, pyriform with globose to subglobose venter, immersed, erumpent or exposed, coriaceous, ostiolate, smooth. Ostioles short-necked. Periphyses absent. Peridium 15-(19)-24 μm (n=4), dark-coloured, one-layered, composed of a few layers of elongated cells. Asci 98- (111)-128 × 27-(31)-37 μm (n=15), unitunicate, broadly clavate, apically thickened with retraction of plasmalemma, with an apical pore, short pedunculate, thin-walled, 8-spored, persistent or semi-persistent, developing from inner wall of ascomal base. Catenophyses present, irregular in shape. Ascospores 26-(30)-36 × 9-(10)-12 μm (n=50), ellipsoidal with rounded apices, one-septate, hyaline, smooth, thin-walled. Appendages initially covering one end of ascospores, gradually detach from ascospore to form an ellipsoidal sheet. Asexual morph: Undetermined.

Key references:

Jones, E.B.G., K.D. Hyde, S.J. Read, S.T. Moss, and S.A. Alias. (1996) Tirisporella gen. nov., an ascomycete from the mangrove palm Nypa fruticans. Can. J. Bot. 74: 1487-1495.

Jones EBG, Suetrong S, Sakayaroj J, Bahkali AH, Abdel-Wahab MA, Boekhout T, Pang KL (2015) Classification of marine Ascomycota, Basidiomycota, Blastocladiomycota and Chytridiomycota. Fungal Diversity 73: 1-72.

Maharachchikumbura SSN, Hyde KD, Jones EBG, Mckenzie EHC, Huang SK, Abdel-Wahab MA et al. (2015) Towards a natural classification and backbone tree for Sordariomcyetes. Fungal Diversity 72: 199-299.

Suetrong, S., A. Klaysuban, J. Sakayaroj, S. Preedanon, P. Ruang-Areerate, S. Phongpaichit, K.L. Pang and E.B.G. Jones. (2015) Tirisporellaceae, a new family in the order Diaporthales (Sordariomycetes, Ascomycota). Cryptogam. Mycol. 36: 1–12.