Pleosporales » Pseudolophiotremataceae » Clematidis

Clematidis italica

Clematidis italica Tibpromma, Camporesi & K.D. Hyde, in Li et al., Fungal Diversity 78: 10.1007/s13225-016-0366-9, [60] (2016)

Index Fungorum number: IF 551868; Facesofungi number: FoF 01814

Etymology: Name reflects the country, where this species was collected.

Holotype: MFLU 14–0669.

Saprobic on Clematis vitalba L. in terrestrial habitats. Sexual morph: Ascomata 170–182 μm high × 137–168 μm diam. (x̄ = 174 × 149 μm, n = 5), superficial, solitary or scattered on the host surface, globose to subglobose, with flattened base, ostiole in the center, not easy to remove, black, without papilla. Peridium 14–20 μm wide, composed of several layers of brown to dark brown, flattened pseudoparenchymatous cells, arranged in a textura angularis. Hamathecium of 1.3–1.7 μm wide, long cylindrical, cellular, anastomosed, septate, pseudoparaphyses. Asci 79–114 × 13–18 μm (x̄ = 93 × 15 μm, n = 15), 8-spored, bitunicate, cylindrical to cylindric-clavate, rounded at the apex, short pedicellate

or sessile. Ascospores 21–30 × 5–8 μm (x̄ = 26 × 6 μm, n = 20), overlapping 2–3-seriate, hyaline, fusiform, straight or slightly curved, 1-septate in center, slightly constricted at the median septa, swollen with large guttules in each cell, lacking a mucilaginous sheath, smooth-walled. Asexual morph: Undetermined.

            Culture characteristics: on MEA reaching 2 cm diam. after 2 weeks at 16 °C, later with dense mycelium, with irregular colony, edge undulate, surface smooth with raised elevation, white-gray; hyphae septate branched, grey, thin-walled.

       Material examined: ITALY, Corniolino, Santa Sofia, Forlì-Cesena Province, on dead stem of Clematis vitalba (Ranunculaceae), 2 March 2013, Erio Camporesi, IT1086 (MFLU 14–0669, holotype); ex-type living culture, MFLUCC 15–0084); Ibid. (HKAS92499 bis, paratypes).

 

Figure x. Clematidis italica (holotype) a Appearance of ascomata on host substrate. b Section of ascoma c Section of peridium d Pseudoparaphyses e–h Ascus with minute pedicel i–k Ascospores l Germinated spore. Scale bars: a = 200 μm, b = 50 μm, c = 10 μm, d = 2 μm, e–h = 20 μm, i–l = 5 μm.

 

References:

 

Li GJ, Hyde KD, Zhao RL, Hongsanan S et al. 2016 Fungal diversity notes 253–366: taxonomic and phylogenetic contributions to fungal taxa. Fungal diversity 78, 1237.

 

Last Update: 13 December 2021

 

 

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