Uromyces rumicis (Schumacher) Winter, 1884

on Ranunculus

Uromyces rumicis: spermogonia on Ficaria verna

Ficaria verna, Dronten: spermogonia © Arnold Grosscurt

Uromyces rumicis: aecia on Ficaria verna

Ficaria verna, Loenen (Gelderland): aecia © Arnold Grosscurt

Uromyces rumicis: aecia on Ranunculus ficaria

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

Uromyces rumicis: uredinia and telia on Rumex obtusifolius

Rumex obtusifolius, Amstelveen, Schinkelbos: uredinia and telia on the underside of a leaf; the difference in colour between the two is hardly recognisable.

Uromyces rumicis: telia

telia

Uromyces rumicis: urediniosporeUromyces rumicis: urediniospore

two times the same urediniospore

Uromyces rumicis: teliospores

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, aquaticus, arifolius, conglomeratus, crispus, dentatus, hydrolapathum, maritimus, obtusifolius, palustris, patientia, pulcher, sanguineus, stenophyllus, triangulivalvis.

references

Brandenburger (1985a: 90, 153), Buhr (1965a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Doppelbaur (1968a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1987a), Gjaerum & Dennis (1976a), Gönczö & Révay (1981a), González-Fragoso (1922a, 1925a), Henderson (2000a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), 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).

mod 15.vii.2019