Plant Parasites of Europe

leafminers, galls and fungi

Uredo alpestris

Uredo alpestris Schröter, 1875

on Viola


Only uredinia are known, yellow, in two forms. The primary ones, appearing in ± June, are minute, without paraphyses, with thin-walled spores that apically bear a 5 µm long apiculus. The secondary ones, ± September, are up to 1 mm and surrounded by paraphyses; their spores are thick-walled and apically rounded.


Violaceae, narrowly monophagous

Viola biflora.


Blumer (1946a), Brandenburger (1985a: 393), Gäumann (1959a), Klenke & Scholler (2015a), Maier, Begerow, Weiß & Oberwinkler (2003a).

Last modified 15.viii.2018