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). a–c Fungus growing on host substrate. d, e Erect conidiophores. f, g Conidia. Scale bars: a–c = 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
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