Fungalpedia – Note 1968, Saprothyrium

 

Saprothyrium. U. Braun, Crous & J.Z. Groenew.

Citation when using this data: Hyde KD et al. 2020 – Fungalpedia, Ascomycota.

Index Fungorum, Facesoffungi, MycoBank, GenBank

Classification: Tubakiaceae, Diaporthales, Diaporthomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi

 

Notes – Pycnothyria of Saprothyrium differ in having a scutellum with obtuse outer strands with globose to subglobose hyaline conidia, and is similar with Sphaerosporithyrium. However, it clusters in a phylogenetically distant clade to clades of Tubakia sensu stricto (Braun et al. 2018). Saprothyrium can be distinguished from all other species of Tubakia sensu stricto by hyaline, globose to subglobose conidia formed in pycnothyria (Braun et al. 2018). Saprothyrium thailandense is illustrated in this entry.

 

Type species: Saprothyrium thailandense (Senan., Tangthir. & K.D. Hyde) U. Braun, Crous & J.Z. Groenew.

Other accepted species: Species Fungorum – search Saprothyrium.

 

image

 

Figure 1 – Saprothyrium thailandense (Material examined – Thailand, Chiang Rai, Doi Mae Salong, on dead leaf, 2 May 2012, K. Wisitrassameewong, NTCL059, MFLU 13–0260, holotype). a Herbarium specimen. b Conidiomata on the host surface. c Vertical section of pycnothyrium. d Top view of radiate scutellum and conidiogenous cells with developing conidia. e-g Conidia. Scale bars: c = 50 μm, d-g = 10 μm.

 

References

Braun U. 2018 – Annotated list of taxonomic novelties published in “Klotzschii Herbarium Vivum Mycologicum, Editio Nova” issued by G. L. Rabenhorst between 1855 and 1858. Schlechtendalia 35, 8–9.

 

Entry by

Kevin David Hyde, Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, P.R. China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand, Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, P.R. China, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand, World Agroforestry Centre, East and Central Asia, Kunming 650201, Yunnan, P.R. China

 

Published online 11 March 2026

Back to Glossary Index Page