Uromyces rumicis (Schumacher) Winter, 1884
on Ranunculus
Ficaria verna, Dronten: spermogonia © Arnold Grosscurt
Ficaria verna, Loenen (Gelderland): aecia © Arnold Grosscurt
aecia are also formed on the petioles
gall
aecia in compact groups, up to 20-50 together; spores with ± 3 µm large, plate-like, easily detachable appendages.
spermogonia, aecia
Ranunculaceae, narrowly monophagous
Ficaria verna.
on Rumex
Rumex obtusifolius, Amstelveen, Schinkelbos: uredinia and telia on the underside of a leaf; the difference in colour between the two is hardly recognisable.
telia
two times the same urediniospore
two teliospores
gall
uredinia and telia amphigenous. Uredinia cinnamon coloured, spores remotely spiny. Telia like the uredinia, but darker brown; teliospores on a short deciduous pedicel, characterised by an apical papilla.
uredinia, telia
Polygonaceae, monophagous
Rumex acetosa, alpinus, angustifolius, aquaticus, arifolius, conglomeratus, crispus, cristatus, dentatus, hydrolapathum, maritimus, obtusifolius, palustris, patientia, pulcher, sanguineus, scutatus, stenophyllus, triangulivalvis, tuberculatus.
references
Bahçecioğlu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Beltran Tejera (1976a), Brandenburger (1985a: 90, 153), Buhr (1965a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Doppelbaur (1968a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1987a), Gjaerum & Dennis (1976a), Gjaerum & Sunding (1986a), Gönczö & Révay (1981a), González-Fragoso (1922a, 1925a), Grossrieder & Keary (2004a), Henderson (2000a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Llorens i Villagrasa (1984a), Losa España (1942a, 1944a), Ludwig (1974a), Redfern & Shirley (2011a), Roskam (2009a), Ruszkiewicz-Michalska (2006a), Scholler, Reinhard & Schubert (1996a), Scholler & Schubert (1993a), Spooner & Butterfill (1999a), Termorshuizen & Swertz (2011a), Unamuno (1941a, 1942a), Vanderweyen & Fraiture (2008a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a), Zwetko & Blanz (2012a).