Plant Parasites of Europe

leafminers, galls and fungi

Uromyces winteri

Uromyces winteri Wettstein, 1889

on Euphorbia

Uromyces winteri: teliospores

Euphorbia falcata, from González-Fragoso (1925a): teliospores


No host plant alternation, only black telia, scattered over the entire leaf, mainly the underside. Although the mycelium is systemic, the plant hardly is disfigured. Teliospores one-celled; wall with a pattern of hyaline warts; apically a low, sometimes barely visible, hyaline papilla.

host plants

Euphorbiaceae, narrowly monophagous

Euphorbia dracunculoides subsp. glebulosa, falcata.


Brandenburger (1985a: 342), Buhr (1964b), Gäumann (1959a), González-Fragoso (1925a), Klenke & Scholler (2015a), Tomasi (2014a).

Last modified 12.x.2022