Mycosphaerellales » Mycosphaerellaceae

Pluripassalora

Pluripassalora Videira & Crous, in Videira et al., Stud. Mycol. 87: 336 (2017).

Index Fungorum number: IF 822611; Facesoffungi number: FoF 08547, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.

           Pathogenic, forming leaf spots. Mycelium internal, septate, smooth, hyaline to pale brown. Sexual morph: Unknown. Asexual morph: Stromata amphigenous, mainly hypophyllous, well-developed, epidermal, sub stomatal, sub globose. Conidiophores emerging from upper part of stromata in dense fascicles, or emerging singly from internal hyphae, pale brown to brown, simple, sinuous, sometimes geniculate, irregular in width, smooth to verruculose, aseptate or septate. Conidiogenous cells integrated, terminal or intercalary, proliferating sympodially, mono- or polyblastic, conidiogenous loci rim-like, thickened, darkened and refractive. Conidia solitary, pale to pale olivaceous brown, paler towards the apex, smooth, thick-walled, mostly obclavate (in host), cylindrical-obclavate (in culture), euseptate, multiseptate, sometimes constricted at the septa (in culture), rounded at the base, beak-like and rounded at the apex, hila thickened, darkened and refractive (adapted from Videira et al. 2017).

Type species: Pluripassalora bougainvilleae (Munt. -Cvetk.) U. Braun, C. Nakash., Videira & Crous

Notes: Pluripassalora is distinct in having obclavate and multiseptate conidia. Pluripassalora is closely related to Nothopassalora and Passalora in phylogenetic analyses of Braun et al. (2017). Pluripassalora is a distinct and well-defined genus in Mycosphaerellaceae. Molecular markers available for Pluripassalora include LSU, ITS, Actin, Histone, TEF-1 and RPB2.

 

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