Plant Parasites of Europe

leafminers, galls and fungi

Gymnosporangium gaeumannii

Gymnosporangium gaeumannii Zogg, 1949

on Juniperus

gall

Uredinia, not in obvious galls, at the upper side of older needles, pulverulent, brown. Urediniospores with a long pedicel, 1-celled, globular. There are no real telia; in the uredinia, next to urediniospores, also teliospores are formed, sometimes originating from the same basal cell. There also have a long pedicel, but are losange-shaped and two-celled.

hostplants

Cupressaceae, nauw monophagous

Juniperus communis.

notes

Nothing is known about a possible host alternation.

references

Bahcecioglu & Kabaktepe (2012a), Brandenburger (1985a: 30), Buhr (1964b), Gäumann (1959a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a).

Last modified 10.viii.2018