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).

mod 10.viii.2018