Pleosporales » Didymosphaeriaceae

Verrucoconiothyrium

Verrucoconiothyrium Crous, Sydowia 67: 110 (2015).

Index Fungorum number: IF 812549; Facesoffungi number: FoF 08241, 5 morphological species (Species Fungorum 2021), 5 species with molecular data.

Saprobic on host. Sexual morph: Unknown. Asexual morph: Mycelium immersed, hyphae septate, medium brown, finely verruculose, forming intercalary and terminal chains of globose chlamydospores. Conidiomata pycnidial, subepidermal, globose, separate, brown; wall consisting of 3–4 layers of brown cells of textura angularis. Conidiogenous cells discrete, smooth, hyaline to pale olivaceous, doliiform to ampulliform, proliferating percurrently. Conidia medium brown, thick-walled, verruculose, 0–1-septate, ellipsoidal to sub cylindrical (Adapted from Crous et al. 2015).

 

Type species: Verrucoconiothyrium nitidae (Crous & Denman) Crous

 

Notes: Verrucoconiothyrium was introduced by Crous (2015) with V. nitidae as type species. Verrucoconiothyrium is characterized by finely verruculose medium brown mycelium, globose brown conidiomata, hyaline to pale olivaceous conidiogenous cells and verruculose, 0–1-septate conidia. Verrucoconiothyrium differs from Coniothyrium in having verrucose conidia. Phylogenetically, Verrucoconiothyrium is a distinct and well-supported genus in Didymosphaeriaceae.

 

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