Erysiphe euonymicola Braun, 2012
on Euonymus
Euonymus japonicus, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel
underside
more extensive mycelium
conidiophore
mycelium with appressoria
conidia
gall
mildew forms dense persistent patches on the leaves. Cleistothecia with 4-8, apically several times dichotomously branched appendages, about 1-1.3 times their diameter.
host plants
Celastraceae, narrowly monofaag
Euonymus fortunei, japonicus.
synonyms
Erysiphe euonymi-japonici (Arcangeli) Braun & Takamatsu, 2000; Microsphaera euonymi-japonici (Arcangeli) Hara, 1921; cf Braun & Cook (2012a).
references
Beenken & Senn-Irlet (2016a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a), Kruse (2019a), Kruse & Jage (2014a), Mułenko, Piątek, Wołczańska ao (2010a), Roques, Cleary, Matsiakh & Eschem (2017a), Tomasi (2012a), Negrean & Anastasiu (2006a).