Brunneoclavispora
Brunneoclavispora Phook. & K.D. Hyde, in Ariyawansa et al., Fungal Diversity: 10.1007/s13225-015-0346-5, [45] (2015).
Index Fungorum number: IF 551326; Facesoffungi number: FoF 00892, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on bamboo. Sexual morph: Ascomata solitary to gregarious, immersed in pseudo clypeus to superficial, raised, uniloculate, elongate conical with a flattened base, ostiole central, with slit-like opening. Peridium thin-walled, composed of several layers, of brown to dark brown, pseudoparenchymatous cells, arranged in textura angularis to textura prismatica. Hamathecium composed of dense, narrow, cellular pseudoparaphyses, anastomosing. Asci 8-spored, bitunicate, fissitunicate, clavate, pedicelate, apically rounded with ocular chamber. Ascospores overlapping, uni- to biseriate, phragmosporous or dictyosporous, clavate with rounded upper part and tapered lower part, straight or slightly curved, brown to dark brown, septate, slightly constricted at the septum, smooth-walled. Asexual morph: Unknown (adapted from Ariyawansa et al. 2015).
Type species: Brunneoclavispora bambusae Phookamsak & K.D. Hyde
Notes: Brunneoclavispora is unique in having clavate muriform ascospores. Brunneoclavispora resembles Massariosphaeria in having large, clavate to fusiform, muriform or multiseptated ascospores (Crivelli 1983, Tanaka & Harada 2004, Wang et al. 2007). Brunneoclavispora differs from Massariosphaeria in having elongate conical ascomata, with a slit-like opening. Brunneoclavispora also resembles Phaeoseptum but differs in its habitat, host, and ascospores with appendages. Brunneoclavispora is morphologically and phylogenetically a distinct genus in Halotthiaceae. Molecular markers available for Brunneoclavispora are ITS, LSU and SSU.
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