Melanodiplodia
Melanodiplodia Wanas., Gafforov & K.D. Hyde, in Wanasinghe et al., Fungal Diversity: 10.1007/s13225-018-0395-7, [92] (2018).
Index Fungorum number: IF 554160; Facesoffungi number: FoF 04001, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on dead twigs in terrestrial habitats. Sexual morph: Unknown. Asexual morph: Conidiomata pycnidial, stromatic, mostly solitary, semi-immersed to immersed in the host, globose to supglobose, dark brown to black, ostiolate, apapillate. Peridium multi-layered, outer layer comprising heavily pigmented, thick-walled, blackish to dark brown, angular cells, inner layer comprising hyaline or lightly pigmented, thick-walled, angular cells. Conidiogenous cells holoblastic, cylindrical to subcylindrical, hyaline, swollen at the base, discrete, producing a single conidium at the apex. Conidia initially hyaline, unicellular, becoming dark brown anduniseptate while still attached to conidiogenous cells; detached conidia, hyaline, sepia or blackish brown, unicellular oruniseptate, moderately thick-walled, wall externally smooth, roughened on the inner surface, oval to ovoid, widest in the center, apex obtuse, base truncate or rounded (adapted from Wanasinghe et al. 2018).
Type species: Melanodiplodia tianschanica Wanas., Gafforov & K.D. Hyde
Notes: Melanodiplodia resembles Coniothyrium, Diplodia, Dothiorella, Forliomyces, Neodeightonia, Paulkirkia, Placodiplodia, Prillieuxina and Spencermartinsia in having uniseptate, brown conidia. However, Melanodiplodia is phylogenetically distinct from these genera and is related to Muriformistrickeria in a strong monophyletic clade. Molecular markers available for Muriformistrickeria include ITS, LSU, SSU and TEF-1.
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