Dothideales » Neocelosporiaceae


Celosporium Tsuneda & M.L. Davey, Botany 88(5): 472 (2010).

 Index Fungorum number: IF 518301; Facesoffungi number: FoF 00111, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.

Hyphae dematiaceous, forming terminal or intercalary, black, irregular-shaped cellular clumps, subdividing by multiple randomly oriented septations to form daughter cells inside. Sexual morph: Unknown. Asexual morph: Conidiomata composed of aggregated cellular clumps, naked with a mycelial envelope. Endoconidia forming within cellular clumps (conidiogenous cells), 1-3 celled hyaline, variable in shape and size and released by cell wall dissolution of the conidiogenous cells (adapted from Tsuneda et al. 2010).


Type species: Celosporium laricicola Tsuneda & M.L. Davey


Notes: Celosporium is characterised by black hyphae, conidiomata with aggregated cellular clumps, 1–3 celled hyaline endoconidia formed within cellular clumps. Celosporium resembles Hispidoconidioma in forming black cellular clumps but differs in that the cellular clumps of Hispidoconidioma give rise to germ tubes after hydration and incubation at 20 0C in the dark, which is not the case for Celosporium. Celosporium is a distinct and well-supported genus in Neocelosporiaceae and can be differentiated from similar genera based on ITS and LSU DNA sequence data.


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