Pleosporales » Neohendersoniaceae


Neohendersonia Petrak. Annls Mycol. 19: 190 (1921).

Index Fungorum number: IF 9100; Facesoffungi number: FoF 08312, 4 morphological species (Giraldo et al. 2017), 1 species with molecular data.

Saprobic on host. Sexual morph: Unknown. Asexual morph: Mycelium immersed, branched, septate, pale brown. Conidiomata pycnidial, eustromatic, separate or aggregated, immersed, globose or collabent, papillate, dark brown to black, uni- or multilocular, thick-walled, the outer one dark brown with textura porrecta or intricata, and the inner one hyaline with textura angularis. Ostiole single, circular, papillate. Conidiophores reduced to conidiogenous cells. Conidiogenous cells holoblastic, single or annellidic, discrete, determinate or indeterminate, cylindrical, lageniform, doliiform or ampulliform, hyaline, smooth, with 0–3 percurrent proliferations. Conidia obovoid, cylindrical, clavate or fusiform, transversely distoseptate or euseptate, versicoloured, basal and sometimes apical cells paler than the median cells, thick-walled, smooth, truncated at base, obtuse at the apex, eguttulate (Adapted from Giraldo et al. 2017).


Type species: Neohendersonia pyriformis (G.H. Otth) Petr.


Notes: Neohendersonia was introduced by Petrak (1921) with N. pyriforme as type species.  Sutton and Pollack (1974) consequently combined Stilbospora kickxii into Neohendersonia, and provided the new combination N. kickxii. Sutton (1975) expanded the generic concept and included species with euseptate conidia. Wijayawardene et al. (2016) described the fourth species N. fagi from Italy. Neohendersonia is accommodated in Neohendersoniaceae but the monophyly of the genus and the species boundaries is uncertain because living type material is available only from N. kickxii.


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