Ascomycota, genera » incertae sedis » Mirimyces

Mirimyces pulcher

Mirimyces pulcher Nag Raj, Coelomycetous Anamorphs with Appendage-bearing Conidia: 478 (1993)

Facesoffungi number: FoF 07449

 

Saprobic on decaying leaves of Mimusops sp. (Sapotaceae) Sexual morph: undetermined. Asexual morph: Conidiomata 90250 diam., 80230 µm high, brown to dark brown, pycnidial, mostly gregarious, subepidermal in origin, deeply immersed, obpyriform to globose or irregular, unilocular or plurilocular, glabrous, thick-walled, ostiolate. Ostiole single, cylindrical to subcylindrical, centrally located. Conidiomatal wall 1040 µm wide, composed of an outer layer of textura angularis with thick-walled, dark brown to hyaline cells, and an inner layer of textura prismatica with thin-walled, hyaline cells. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 47 × 24 µm, arising from the innermost wall layers of conidiomata, hyaline, ampulliform, doliiform, lageniform, or subcylindrical, with flared collarettes and conspicuous periclinal thickenings, thick- and smooth-walled. Conidia 10–19 × 23.5 µm ( = 16 × 3 µm; n = 30), hyaline, ovoid to ellipsoid or fusiform, occasionally wall bulging in the middle or lower half, unicellular, thin- and smooth-walled, guttulate, bearing a deeply infundibuliform, cylindrical or irregular, mucoid apical and basal appendage.

 

Material examined: Cuba, Havana, Santiago de Cuba, INIFAT campus, on decaying leaves of Mimusops sp. (Sapotaceae), 7 March 1989, T.R. Nag Raj, DAOM 215253, holotype).

 

 

 

References:

 

Li WJ, McKenZie EHC, Liu JK, Bhat DJ, Dai DQ, Caporesi E, Tian Q, Maharachcikumbura SSN, Luo ZL, Shang QJ, Zhang JF, Tangthirasunun N, Karunarathna SC, Xu JC, Hyde KD (2020) Taxonomy and phylogeny of hyaline-spored coelomycetes. Fungal Diversity 100: pages279–801.

 

 

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