Muyocopronales » Muyocopronaceae » Neocochlearomyces

Neocochlearomyces chromolaenae

Neocochlearomyces chromolaenae Pinruan, Sommai, Suetrong, J.Z. Groenew. & Crous, in Crous et al., Persoonia 41: 381 (2018).

Index Fungorum number: IF 828926; Facesoffungi number: FoF 09791, Fig. 1

Description

Saprobic on host. Sexual morph: Unknown. Asexual morph: Conidiophores solitary, macronematous, mononematous, subcylindrical, unbranched, with 6–8 thickened transverse septa, erect, straight, brown, smooth, thick-walled, tapering slightly towards the apex, 8.5–12.5 µm diam at base, 90–200 µm long, 4.5–5 µm diam., at the apex, with basal rhizoids; stalk developing into an apical fan-like conidiogenous region, 35.5–60.5 × 19–40.5 µm, comprising of radiating brown, warty, 3–5-septate, tightly aggregated cylindrical arms, with acute terminal cells. Conidiogenous cells terminal and intercalary on the one side of the swollen fan-like structure; loci inconspicuous, phialidic. Conidia 1.5–2.5 × 5–13.5 µm, (x̄ = 2.2 × 6.5 µm, n = 10), falcate, aseptate, equilateral, with convex and flat plane, both ends obtuse to sub obtusely rounded, hyaline, smooth-walled, guttulate, with a single, filiform, unbranched setula at each end, 3.5–6 µm long, on the inner straight plane, aggregating in mucoid droplet.

Material examined: Thailand, Nakhon Ratchasima, on leaves of Chromolaena odorata (Asteraceae), 25 Sept. 2013, U. Pinruan (holotype BBH 41327).

 

 

Fig. 1 Neocochlearomyces chromolaenae (BBH 41327, holotype). ac Fungus growing on host substrate. d, e Erect conidiophores. f, g Conidia. Scale bars: ac = 500 μm, d, e = 50 μm, f, g = 10 μm.

 

Importance and distribution

Neocochlearomyces comprises only one species known on leaves of Chromolaena odorata (Asteraceae) in Asia (Thailand).

 

 

References

Crous PW, Luangsa-Ard JJ, Wingfield MJ, Carnegie AJ et al. 2018 – Fungal Planet description sheets: 785–867. Persoonia 41, 238–417.

Hernández-Restrepo M, Bezerra JDP, Tan YP, Wiederhold N, Crous PW, Guarro J, Gené J. 2019 – Re-evaluation of Mycoleptodiscus species and morphologically similar fungi. Persoonia 42, 205–227.

Hongsanan S, Hyde KD, Phookamsak R, Wanasinghe DN et al. 2020b − Refined families of Dothideomycetes: orders and families incertae sedis in Dothideomycetes. Fungal Diversity 105, 17–318.

 

 

 

 

 

About Dothideomycetes

The website Dothideomycetes.org provides an up-to-date classification and account of all genera of the class Dothideomycetes.

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