Uromyces bresadolae Tranzschel, 1910

on Euphorbia

gall

No host plant alternation, only chestnut to black telia, hypophyllous, scattered over the entire leaf. Teliospores one-celled; wall with a dense reticulate ornamentation; apically a low, almost, hyaline papilla.

host plants

Euphorbiaceae, narrowly monophagous

Euphorbia angulata.

notes

According to Klenke & Scholler pustulate uredinia are formed indeed, albeit rarely: spores with 4 germination pores; a source is not mentioned.

references

Brandenburger (1985a: 339), Buhr (1964b), Gäumann (1959a), Klenke & Scholler (2015a).