Mycosphaerellales » Mycosphaerellaceae


Neopenidiella Quaedvl. & Crous, in Quaedvlieg et al., Persoonia 33: 22 (2014).

Index Fungorum number: IF 807778; Facesoffungi number: FoF 08521, 1 morphological species (Species Fungorum 2021), molecular data unavailable.

Foliicolous. Sexual morph: Unknown. Asexual morph: Conidiophores erect, straight, filiform, pluriseptate throughout, brown, darker below and paler above, thin-walled, smooth, apex penicillate, terminal cell of the conidiophore with short denticle-like loci giving rise to sets of conidiogenous cells or ramoconidia that then form a sequence of new sets of ramoconidia on different levels. Conidiogenous loci terminal or sub terminal, usually 1–3(–4), sub denticulate, conical, apically truncate, unthickened or almost so, not to somewhat darkened-refractive. Ramoconidia with truncate base, barely or distinctly attenuated at the truncate base, aseptate, at the apex with 2–3(–4) sub denticulate hila, subcylindrical, very pale olivaceous, olivaceous brown to brown, thin-walled, smooth to faintly verruculose. Conidia in long acropetal chains, narrowly ellipsoid-ovoid, fusiform to cylindrical aseptate, very pale olivaceous, olivaceous brown to brown, thin-walled, smooth to very faintly rough-walled; hila unthickened or almost so, at most slightly darkened-refractive (adapted from Quaedvlieg et al. 2014).


Type species: Neopenidiella nectandrae (Crous, U. Braun & R.F. Castañeda) Quaedvl. & Crous


Notes: Neopenidiella differs from Penidiella in having conidiophores that are long and filiform, with a subdenticulate apical cell where long and narrow penicillate ramoconidia are formed. In the phylogenetic analysis of Videira et al. (2014), Neopenidiella forms a distinct lineage within Mycosphaerellaceae. Molecular markers available for Neopenidiella include LSU, ITS and RPB2.


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