Fungalpedia – Note 2168, Cryptocoryneum
Cryptocoryneum. Fuckel
Citation when using this data: Hongsanan S et al. 2020 – Fungalpedia, Ascomycota.
Index Fungorum, Facesoffungi, MycoBank, GenBank, Fig 1
Classification: Cryptocoryneaceae, Pleosporales, Pleosporomycetidae, Dothideomycetes, Pezizomycotina, Ascomycota, Fungi
Notes – The sexual morph of this genus has not been determined. A recent key to species was provided by Hashimoto et al. (2017b).
Saprobic on dead and unfallen twigs of Corylus avellana L. Sexual morph: Undetermined. Asexual morph: Sporodochia pulvinate, 259–385 × 50–100 μm (x̅ = 307.3 μm × 70.3 μm, n = 10) μm, often confluent, dark brown to black. Conidiophores arising from stromatic cells, straight, septate, pale brown to hyaline. Conidiogenous cells 4.2–6.9 × 4.7–7 μm (x̅ = 5.4 μm × 5.5 μm, n = 13) monoblastic, cylindrical to oblong, determinate, terminal, pale brown to hyaline. Conidia solitary, acrogenous, cheiroid, pale brown, cap cells firmly united together, 3–12 cylindrical arms, branched at the base, basal cells cuneiform, cylindrical, smooth, dark brown, 10–20-septate, slightly constricted at the septa, guttulate in each cell, 57–81 × 3.5–4.5 μm (x̅ = 74.5 × 3.8 μm, n = 25).
Type species: Cryptocoryneum fasciculatum Fuckel.
Other accepted species: Species Fungorum – search Cryptocoryneum.
Figure 1 – Cryptocoryneum sp. (MFLU 19-0442). a–c Sporodochium on a dead and land branch of Corylus avellana d Sporodochium. e–h Development of conidia. Scale bars: a = 200 μm, b–d = 100 μm, e–g, h = 20 μm, f = 10 μm.
References
Entry by
Sinang Hongsanan, Guangdong Provincial Key Laboratory for Plant Epigenetics, Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Science and Oceanography, Shenzhen University, Shenzhen 518060, People’s Republic of China, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50002, Thailand
Published online 8 April 2026