Erysiphe lonicerae var. lonicerae de Candolle, 1815
on Lonicera
Lonicera periclymenum, Belgium, prov. Limburg, Zonhoven, Platwijlers © Carina Van Steenwinkel
the basal cell of the conidiophore generally with an obvious elbow
Lonicera periclymenum, Belgium, prov. Antwerp, Retie, Witte Netevallei © Carina Van Steenwinkel: germinating conidia
gall
mycelium amphigenous. Appressoria lobed. Conidia formed solitary, elliptic, without fibrosin bodies. Cleistothecia with 2-8 asci, that contain 4-5 spores. Appendage 6-12, equatorial, 1-3 x the diameter; most ± straight, brown at the base, 0-3 septate. Apices 3-5 times irregularly forked in quick succession.
host plants
Caprifoliaceae, monophagous
Lonicera alpigena, x amoena, angustifolia, x bella, caerulea, caprifolium, caucasica & subsp. orientalis, etrusca, fragrantissima, x heckrottii, iberica, involucrata, japonica, nigra, periclymenum, pyrenaica, rupicola, ruprechtiana, sempervirens, xylosteum.
synonyms
Microsphaera lonicerae (de Candolle) Winter, 1884.
references
Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2019a), Leysen (2017a), Ruszkiewicz-Michalska & Michalski (2005a), Schmid-Heckel (1985a), Talgø, Sundheim, Gjærum, Herrero, Suthaparan, Topp & Stensvand (2010a), Wołczańska & Mułenko (2002a).