Pleosporales » Lophiotremataceae

Galeaticarpa

Galeaticarpa A. Hashim. & Kaz. Tanaka, in Hashimoto et al., Persoonia 39: 64 (2017).

 Index Fungorum number: IF 819248; Facesoffungi number: FoF 08289, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.

Saprobic on host. Sexual morph: Ascomata solitary to grouped, immersed to erumpent, subglobose. Ostiolar neck elongated, laterally compressed, surrounded by well-developed clypeus. Peridium composed of rectangular, brown cells. Pseudoparaphyses septate, branched and anastomosed. Asci bitunicate, fissitunicate, cylindrical, 8-spored. Ascospores fusiform, multi-septate, hyaline, smooth. Asexual morph: Conidiomata pycnidial, globose to subglobose, grouped, immersed. Ostiolar neck carbonaceous, papillate. Peridium composed of rectangular, pale brown to brown cells. Conidiophores absent. Conidiogenous cells holoblastic, cylindrical, hyaline, smooth. Conidia ellipsoidal with rounded ends, hyaline, smooth, aseptate (adapted from Hashimoto et al. 2017).

 Type species: Galeaticarpa aomoriensis A. Hashim. & Kaz. Tanaka

 Notes: Galeaticarpa is characterised by solitary to grouped ascomata, cylindrical, 8-spored asci, and fusiform, multi-septate, hyaline ascospores. Galeaticarpa resembles Astrosphaeriella but can be differentiated in that the former has a crest-like ostiolar neck and well-developed peridium while the latter has mammiform or occasionally elongated ostiole and poorly developed peridium (Chen & Hsieh 2004, Phookamsak et al. 2015, Hashimoto et al. 2017). Galeaticarpa also resembles Cryptoclypeus in having ascomata with a clypeus but differs in that Galeaticarpa has a well-developed clypeus and flask-shaped conidiomata. Galeaticarpa has been reported on woody plant hosts, while Cryptoclypeus and Pseudocryptoclypeus occur on Bamboo (Poaceae). Galeaticarpa is phylogenetically unrelated to these bambusicolous genera and is a clearly-defined and distinct genus in Lophiotremataceae. Molecular markers available for Galeaticarpa are ITS, LSU, SSU, RPB2 and TEF-1.

 

 

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