Botryosphaeriales » Botryosphaeriaceae

Alanphillipsia

Alanphillipsia Crous & M.J. Wingf., in Crous et al., Persoonia 31: 197 (2013)

 Index Fungorum number: IF 805816; Facesoffungi number: FoF 01417, 5 morphological species (Species Fungorum 2021), 5 species with molecular data.

Saprobic on host. Sexual morph: Undetermined. Asexual morph: Conidiomata immersed, globose with central ostiole, dark brown. Conidiomatal wall comprising several layers of brown cells of textura angularis. Paraphyses intermingled among conidiophores, lining the inner cavity, hyaline, smooth, sub cylindrical, branched at base or not, aseptate or transversely septate, with obtuse to subobtuse apices. Conidiophores hyaline, smooth, subcylindrical, flexuous or straight, septate. Macroconidiogenous cells terminal, integrated, hyaline, smooth, subcylindrical to lageniform, proliferating percurrently near apex. Macroconidia solitary, hyaline when young, becoming golden-brown to medium brown, verruculose, granular to guttulate, surrounded by a persistent, hyaline outer layer (lacking in some species, or condensed to a basal frill or basal and apical appendage), ellipsoid to obclavate or subcylindrical with truncate scar on hyaline layer. Microconidiogenous cells in the same conidioma, hyaline, smooth, subcylindrical, proliferating inconspicuous percurrently at apex. Microconidia hyaline, smooth, granular, sub cylindrical to ellipsoid, apex obtuse, base truncate, with minute marginal frill (Adapted from Crous et al. 2013).

 

Type species: Alanphillipsia aloes Crous & M.J. Wingf.

 

Notes: Alanphillipsia was introduced by Crous & Wingf (2013) with A. aloes as type species.  Alanphillipsia resembles Aplosporella in having verruculose conidia and presence of paraphyses but is unique in having hyaline outer layer. Alanphillipsia is a well-supported and distinct genus in Botryosphaeriaceae.

 

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