Uromyces junci Tulasne, 1854
on Buphthalmum, Pulicaria
Pulicaria dysenterica, France, dép. Somme, Marais de Quend, 24.v.2019 © Sébastien Carbonelle
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
Juncus subulatus, from González-Fragoso (1925a): urediniospores and teliospores
Juncus bulbosus, België, prov. Antwerpen, Balen, de Most, 1.ix.2020 © Carina Van Steenwinkel
uredinium
telia
teliospores
Juncus articulatus, België, prov. Antwerpen, Balen, de Most, 1.ix.2020 © Carina Van Steenwinkel: urediniospores
urediniospores
teliospores
teliospores
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: 617, 745), Buhr (1964b), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum & Sunding (1986a), 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).