Bambusicola
Bambusicola D.Q. Dai & K.D. Hyde, in Dai et al., Cryptog. Mycol. 33(3): 367 (2012).
Index Fungorum number: IF 801041; Facesoffungi number: FoF 01433, 12 morphological species (Species Fungorum 2022), 12 species with molecular data.
Saprobic on decaying bamboo culms. Sexual morph: Ascomata small, solitary, scattered, immersed, conical, ostiolate, coriaceous. Peridium thin composed of brown and thick-walled cells textura angularis, with the basal part composed of thinner, hyaline, smaller cells. Hamathecium dense, anastomosing and branching, with pseudoparaphyses above the asci. Asci 8-spored, bitunicate, cylindrical, with a short furcate pedicel, with a shallow apical chamber. Ascospores 2-3-seriate above, slightly broad fusiform, uniseptate, narrowly rounded at both ends, hyaline, surrounded by a gelatinous sheath. Asexual morph: Conidiomata small, pycnothyrial, acerose or subglobose, solitary, scattered, immersed to half-immersed. Conidiophores indistinct. Conidiogenous cells holoblastic, annelidic, discrete, cylindrical, and smooth, Conidia pale brown to dark brown, 1-3-septate, cylindrical, straight or slightly curved, obtuse at the apex, with many guttules (adapted from Dai et al. 2012).
Type species: Bambusicola massarinia D.Q. Dai & K.D. Hyde
Notes: Bambusicola is characterised by small, solitary, scattered ascomata, cylindrical asci with a short furcate pedicel and slightly broad fusiform, uniseptate ascospores. Bambusicola resembles Massarina sensu lato in having immersed to erumpent ascomata with a peridium integrating hosts tissues, cylindrical asci with an ocular chamber and hyaline, fusiform ascospores surrounded by a mucilaginous sheath (Zhang et al. 2009b, Hirayama et al. 2010). Bambusicola also resembles members of Tetraplosphaeria, Triplo-sphaeria and Polyplosphaeria in having immersed to superficial, globose to subglobose ascomata, cylindrical to clavate asci and hyaline, fusiform ascospores surrounded by a mucilaginous sheath but differs in that Tetraplosphaeria, Triplo-sphaeria and Polyplosphaeria have hyphomycetous asexual morphs (Dai et al. 2012). Bambusicola is phylogenetically related to Lentithecium but differs morphologically in having ascomata that are conical in section, cylindrical asci and slightly broadly fusiform ascospores while Lentithecium has lenticular, globose to subglobose or irregularly globose ascomata and clavate to oblong-clavate asci, and broadly fusoid ascospores (Zhang et al. 2009a b). Bambusicola also differs from Lentithecium and other bambusicolous genera such as Katumotoa and Keissleriella in having a coelomycetous asexual morph. Bambusicola is morphologically and phylogenetically a well-defined genus in Bambusicolaceae. Molecular markers available for Bambusicola are ITS, LSU, SSU, RPB2 and TEF-1.
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