Melampsora euonymi-caprearum Klebahn, 1900
on Euonymus
Euonymus europaeus, Hungary, Nagykovácsi, 5.v.2015 © László Érsek
detail
Euonymus europaeus, Hungary, Mosonmagyaróvár, 30.iv.2018 © László Érsek
Euonymus europaeus, Beuningen © Arnold Grosscurt
underside of the leaf with aecia
at the upper side the spermogonia
Euonymus europaeus, Castricum
underside of the leaf with aecia
gall
spermogonia and aecia mostly hypophyllous. Aecia on yellow spots, flat, without a peridium, often in circles, yellow-orange, 1-2 mm.
spermogonia, aecia
Celastraceae, monophagous
Euonymus europaeus, latifolius, verrucosus.
on Salix
gall
uredinia 0.5 mm, yellow, hypophyllous, on especially at the upper side discoloured leaf spots, with club-shaped paraphyses of which the wall apically is strongly thickened; spores 14-17 x 14-19 µm, wall spinulose, 2-4 µm thick. Telia usually hypophyllous, subepidermal, brownish; spores pillar-shaped.
uredinia, telia
Salicaceae, narrowly monophagous
Salix aurita, caprea, cinerea, elaeagnos, myrtilloides.
synonyms
conceived by some authors as component of one complex species with aecia on a wide range of hosts, and uredinia and telia on Salix: Melampsora epitea.
references
Brandenburger (1985a: 45, 368, 882), Buhr (1964b), Gäunann (1959a), González-Fragoso (1925a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Tomasi (2003a).