Pleosporales » Phaeosphaeriaceae


Neosulcatispora Crous & M.J. Wingf., in Crous et al., Persoonia 35: 283 (2015).

Index Fungorum number: IF 814930; Facesoffungi number: FoF 01686, 2 morphological species (Species Fungorum 2021), 2 species with molecular data.

Saprobic on leaves. Sexual morph: Unknown. Asexual morph: Conidiomata pycnidial, solitary, becoming aggregated, linked by a stroma, erumpent, globose, dark brown, with central red brown ostiole. Conidiomatal wall comprising 3–4 layers of brown textura angularis; conidiomatal surface covered with red-brown, verruculose hyphae. Conidiophores lining the inner cavity, hyaline, smooth, septate, subcylindrical, straight to curved, unbranched or branched below. Conidiogenous cells integrated, terminal, subcylindrical, hyaline, smooth, straight to geniculate; proliferating percurrently near apex. Conidia solitary, subcylindrical, straight to irregularly curved, apex obtuse, base truncate to bluntly rounded, initially hyaline, with two large polar guttules and various smaller guttules, becoming medianly 1-euseptate, golden-brown, and prominently striate, with striations covering the length of the conidium, becoming dark brown after discharge (adapted from Crous et al. 2015).


Type species: Neosulcatispora agaves Crous & M.J. Wingf.


Notes: Neosulcatispora morphologically resembles Sulcatispora in having striated conidia but can be differentiated based on DNA sequence data. Neosulcatispora has been compared with similar genera such as Chaetodiplodia, Placodiplodia and Pseudodiplodia which are reported to be phylogenetically related but are not congeneric (Crous et al. 2015). Phylogenetically, Neosulcatispora is a distinct and well-supported genus in Phaeosphaeriaceae. Molecular markers available for Neosulcatispora include ITS, LSU, and BTUB.


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