Plant Parasites of Europe

leafminers, galls and fungi

Uromyces junci

Uromyces junci Tulasne, 1854

on Buphthalmum, Pulicaria

Uromyces junci: aecia on Pulicaria dysenterica

Pulicaria dysenterica, France, dép. Somme, Marais de Quend, 24.v.2019 © Sébastien Carbonelle

Uromyces junci: aecia on Pulicaria dysenterica

detail

gall

Spermogonia mostly epiphyllous. Aecia hypophyllous, in groups in violet spots, cupulate, with a whitish peridium and a pale yellow mass of spores.

spermogonia, aecia

Asteraceae, narrowly oligophagous

Buphthalmum salicifolium; Pulicaria dysenterica.


on Juncus

Uromyces junci: spores

Juncus subulatus, from González-Fragoso (1925a): urediniospores and teliospores

Uromyces junci on Juncus bulbosus

Juncus bulbosus, België, prov. Antwerpen, Balen, de Most, 1.ix.2020 © Carina Van Steenwinkel

Uromyces junci on Juncus bulbosus

uredinium

Uromyces junci on Juncus bulbosus

telia

Uromyces junci on Juncus bulbosus

teliospores

Uromyces junci on Juncus articulatus

Juncus articulatus, België, prov. Antwerpen, Balen, de Most, 1.ix.2020 © Carina Van Steenwinkel: urediniospores

Uromyces junci on Juncus articulatus

urediniospores

Uromyces junci on Juncus articulatus

teliospores

Uromyces junci on Juncus articulatus

teliospores

Uromyces junci on Juncus articulatus

the teliospores are long-stalked

gall

Uredinia erupt through the epidermis, pulverulent, brown; spores oval, thin-walled, yellowish brown, finely spinulose. Telia darker; spores one-celled, wall smooth, dark brown, apically strongly thickened; spores on a brown, rather long, persistent pedicel.

uredinia, telia

Juncaceae, broadly monophagous

Juncus acutiflorus, acutus, alpinoarticulatus, articulatus, “atratus”, balticus & subsp. ater, bufonius, conglomeratus, cyperoides, dichotomus, diffusus, effusus, inflexus, lesueurii, maritimus, mertensianus, patens, procerus, squarrosus, subnodulosus, subulatus, tenuis, textilis, torreyi, xiphioides.

references

Brandenburger (1985a), Buhr (1964b), Ellis & Ellis (1997a), Gäumann (1959a), Gönczö & Révay (1981a), González-Fragoso (1925a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Kruse, Thiel, Brodtbeck ea (2017a), Maier, Begerow, Weiß & Oberwinkler (2003a), Maier, Wingfield, Mennicken & Wingfield (2007a), Mayor (1967a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Savchenko, Heluta, Wasser & Nevo (2014e), Spooner & Butterfill (1999a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tóth (1994a), Vanderweyen & Fraiture (2008a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

Last modified 4.ix.2020