Myriangiales » Myriangiaceae

Anhellia

Anhellia Racib., Parasit. Alg. Pilze Java's (Jakarta) 2: 10 (1900)

 Index Fungorum number: IF 197; Faceoffungi number: FoF 06538, 9 morphological species (Species Fungorum 2020), 1 species with molecular data

Parasitic on leaves. Sexual morph: Ascostromata superficial, scattered, solitary or gregarious, carbonaceous, immersed, dark brown to black, hemispherical or globose to oval, connected to the host by erumpent hypostroma, multi-loculate, locules scattered in the upper layer of the ascostromata, one ascus in each locule, ostiolate. Ostioles minute, asci pushed out through pseudoparenchymatous cells. Paraphyses absent. Cells of the ascostromata comprising pale yellow to brown textura angularis. Asci 8-spored, bitunicate, fissitunicate, globose to saccate, pedicellate, apically rounded with indistinct ocular chamber. Ascospores hyaline or yellowish brown, elliptical to oblong, muriform, with 4–5-transverse septa, 1–2-longitudinal septa, constricted at the septa, smooth-walled, lacking a sheath. Asexual morph: Unknown.

 

Type species: Anhellia tristis Racib.

 

Notes: Anhellia was introduced by Raciborski (1900) with A. tristis as type species. Anhellia is unique in having hyaline or yellowish brown, elliptical to oblong, muriform ascospores with 4–5-transverse septa and 1–2-longitudinal septa and is placed in Myriangiaceae based on morphological and phylogenetic evidence by Jayawardena et al. (2014).

 

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