Endocalyx ptychospermatis
Y.R. Xiong, Manawas. & K.D. Hyde Fungal Diversity 114 (1) (2022)
Classification:Ascomycota-Pezizomycotina-Sordariomycetes-Xylariomycetidae-Xylariales-Cainiaceae-Endocalyx
Host species: Ptychosperma macarthurii
Holotype: ZHKU 21-0001
Known distribution: Guangdong, China
IF Number: IF558846 Mycobank Number: 558846 FOF Number: FoF10540
Description
Saprobic on dead petiole of Ptychosperma macarthurii. Sexual morph: Undetermined. Asexual morph: Conidiomata 470–520 µm diam., up to 100 µm high, light yellow to light green, raised, cup-shaped or cylindrical, surrounded by yellow hyphal rings and hyaline conidiophores. Conidiogenous cells 4–6 µm long (x̅ = 5 um, n = 20), integrated, unicellular, hyaline, knob-like. Conidia 10–20 × 7–15 µm (x̅ =13 ´ 11 um, n = 40), unicellular, dark brown, elliptical to closed polygonal with verrucous inclusions.
Culture conditions: Colonies on PDA reaching 6 cm diam., after seven days at 25 °C, white at first, irregular, raised, undulate, rough, after maturity, smooth at the margin, white from above, pale-brown from below.
Endocalyx ptychospermatis (ZHKU 21-0001 Holotype): a–c. Conidiomata on host surface. d. Section of conidioma. e. Conidioma wall. f. Conidia. g. Culture on PDA. h–k. Conidia. Scale bars: e = 10 µm, f = 10 µm, h = 5 µm, i–k = 10 µm.
Reference
Phukhamsakda, C. et al. (2022) The numbers of fungi: Contributions from traditional taxonomic studies and challenges of metabarcoding. Fungal Diversity 114(1): 327–386.
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