Aliquandostipite
Aliquandostipite Inderb., Am. J. Bot. 88(1): 54 (2001).
Index Fungorum number: IF 28650; Facesoffungi number: FoF 07684, 6 morphological species (Species Fungorum 2022), 6 species with molecular data.
Saprobic on submerged wood or fallen, decorticated branch. Sexual morph: Mycelium visible on the substratum, of wide hyphae (> 10 µm and up to 50 µm wide), which may bear ascomata. Ascomata scattered to clustered or gregarious, immersed to erumpent or superficial, uniloculate, globose to broadly ellipsoidal, dimorphic, with or without stalk-like hypha attached to the base, hyaline or pale brown when young, turn to dark brown with age, membranous, papillate. Peridium thin, one-layered, composed of pale brown, thin-walled cells of textura angularis to globosa. Pseudoparaphyses numerous, cellular, sparsely branched, hyaline, septate. Asci 8-spored, bitunicate, fissitunicate, clavate, with thickened apical region. Ascospores bi- to multi-seriate, variably arranged, oval, pale brown,uniseptate, constricted at the septum, usually asymmetric, mostly with a well-developed hyaline sheath (Inderbitzin et al. 2001). Asexual morph: Unknown (adapted from Dong et al. 2020).
Type species: Aliquandostipite khaoyaiensis Inderb.
Notes: Aliquandostipite is characterised by scattered to clustered or gregarious ascomata, numerous, cellular pseudoparaphyses, fissitunicate, clavate asci and oval, pale brown,uniseptate ascospores with a well-developed hyaline sheath. Pang et al. (2002) transferred Aliquandostipite sunyatsenii to Jahnula based on phylogenetic analysis of SSU sequence data. Aliquandostipite resembles Jahnula but can be differentiated based on the hyaline or less pigmented ascomata and larger asci and ascospores. The ascospores of A. crystallinus, A. khaoyaiensis and A. minuta form acicular crystals upon storage in lactic acid and glycerin (Raja et al. 2005, 2007). These three species are differentiated based on the gelatinous sheath and ascospore appendages with A. siamensiae being the sole taxon producing dimorphic ascospores. Aliquandostipite is morphologically and phylogenetically a well-defined and type genus of Aliquandostipitaceae. Molecular markers available for Aliquandostipite include ITS, SSU, LSU, RPB2 and TEF-1.
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