Longispora
Longispora Phukhams. & K.D. Hyde, in Phukhamsakda et al., Fungal Diversity: 10.1007/s13225-020-00448-4, [81] (2020).
Index Fungorum number: IF 557198; Facesoffungi number: FoF 07305, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on herbaceous plant in terrestrial habitats. Sexual morph: Ascomata solitary, immersed to erumpent, subglobose to compressed, cupulate when dry, brown to dark brown, with brown hyphae projecting from the peridium, ostiolate. Ostioles papillate, oblong, brown to light brown, heavily pigmented at outer layer, smooth, filled with periphyses, with a reddish to orange pigment around the pore. Peridium thick-walled, wider at the apex, comprising brown walled cells of textura angularis. Hamathecium composed of numerous, branched, filamentous, transversely septate, cellular pseudoparaphyses. Asci 8-spored, bitunicate, cylindrical to clavate, with short pedicel, with a visible ocular chamber. Ascospores fasciculate, scolecosporous, ends rounded, hyaline when immature, pale brown at maturity, multi-septate, deeply constricted at the swollen cell, slightly constricted at the other septa, not separating into part spores. Asexual morph: Unknown (adapted from Phukhamsakda et al. 2020).
Type species: Longispora clematidis Phukhams. & K.D. Hyde
Notes: Longispora resembles Leptospora and the sexual morph character of Chaetosphaeronema and Neosetophoma in having pigmented ostiolar canal (Hyde et al. 2016, 2020, Phukhamsakda et al. 2020). Longispora is unique in having cupulate ascomata with pigmentation around the ostiolar pore, and asci that are cylindrical-clavate, short with a bulbose pedicel, and ascospores that are strongly constricted at the swollen cell. Molecular markers available for Longispora are ITS, LSU, SSU and TEF-1.
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