Uromyces kabatianus Bubák, 1902

on Geranium

gall

No host plant alternation. Spermogonia and aecia amphigenous on roundish yellow leaf spots. Aecia in small dense groups, semi-globular, finally opening by a pore. Uredinia and telia amphigenous, ih circles on yellow to red leaf spots. Uredinia chocolate-brown, pulverulent; spores wit 1-2 pores. Telia brown, first covered by the silvery epidermis, then pulverulent; spores one-celled, elliptic, 15-28 x 25-45 µm, smooth, apically a distinct papilla; pedicel short, hyaline, easily deciduous.

hostplants

Geraniaceae, monophagous

Geranium albanum, argenteum, columbinum, dissectum, macrorrhizum, molle, pusillum, pyrenaicum, rotundifolium.

references

Brandenburger (1985a), González-Fragoso (1925a), Klenke & Scholler (2015a), Losa España (1942a), Mayor (1967a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a).

mod 12.viii.2018