Capnodiales » Teratosphaeriaceae


Hyweljonesia R.G. Shivas, Y.P. Tan, Marney & Abell, in Crous et al., Persoonia 37: 269 (2016).

Index Fungorum number: IF 817134; Facesoffungi number: FoF 07013, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.

Saprobic on host. Sexual morph: Unknown. Asexual morph: Mycelium white, consisting of branched, septate, smooth subhyaline to hyaline hyphae. Conidiophores often on hyphal tufts, unbranched, integrated, lateral, straight, light brown, smooth walled, with an apical whorl of conidiogenous cells. Conidiogenous cells pale brown, clavate, smooth walled, minutely verruculose at the apex from inconspicuous conidial scars, with an apical whorl of conidia. Conidia subhyaline, cuneiform with rounded apices, smooth-walled, with a refractive basal scar (adapted from Crous et al. 2016).

Type species: Hyweljonesia queenslandica R.G. Shivas, Y.P. Tan, Marney & Abell

Notes: Hyweljonesia is characterised by white, branched mycelium, light brown, smooth-walled conidiophores, clavate, smooth-walled conidiogeneous cells, and subhyaline, cuneiform conidia with rounded apices. Hyweljonesia is unique in having conidiophores arranged on hyphal tufts, and presence of an apical whorl of conidiogenous cells that are slightly verruculose from inconspicuous conidial scars. Hyweljonesia is a morphologically and phylogenetically distinct genus in Teratosphaeriaceae. Molecular markers available for Hyweljonesia are LSU and ITS.


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