Phragmidium bulbosum (Fries) Schlechtendal, 1824

on Rubus

Phragmidium bulbosum: telia on Rubus fruticosus

Rubus fruticosus, Belgium, prov. Antwerp, Mol © Carina Van Steenwinkel

Phragmidium bulbosum: teliospores

teliospores

Phragmidium bulbosum: telium and teliospores

Rubus plicatus. from González-Fragoso (1925a): telium, surrounded by paraphyses, and teliospores

gall

no alternation of host plant. Spermogonia epiphyllous. Aecia mostly hypophyllous, yellow, minute but larger on the veins, without a peridium but with a coronet of hyaline, sausage-shaped curved paraphyses; spores produced in chains, sparsely aculeate. Uredinia like the aecia, but spores single, pedicellate, wall finely spinulate. Telia hypophyllous black; spores long pedicellate, elliptic, dark brown, transversely divided into 4-7 finely verrucose cells, abruptly terminated by an apiculus.

hostplants

Rosaceae, broadly monophagous

Rubus caesius, egregius, fruticosus, grabowskii, gracilis, gratus, hirtus, montanus, nessensis, plicatus, pyramidalis, questieri, radula, sanctus, sprengelii, sulcatus, ulmifolius & subsp. rusticanus.

Not on R. saxatilis.

synonyms

Phragmidiun rubi(Persoon) Winter, 1882.

references

Bahcecioglu & Kabaktepe (2012a), Brandenburger (1972a), Buhr (1965a), Doppelbuar & Doppelbaur (1968a, 1973a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1892a, 1987a), Gönczö & Révay (1981a), González-Fragoso (1925a), Helfer (2005a), Heluta, Hayova, Tykhonenko ao (2010a), Henderson (2000a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Jørstad (1953a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Kruse & Jage (2014a), Losa España (1942a), Ludwig (1974a), Melzer, Pittoni, Poelt & Scheuer (1984a), Petrova & Denchev (2004a), Poelt & Zwetko (1997a), Ruszkiewicz-Michalska (2006a), Sadravi, Ono, Pei & Rahnama (2007a), Scheuer & Bechter (2012a), Schön (2014a), Scholler & Schubert (1993a), Termorshuizen & Swertz (2011a), Tomasi (2003a, 2012a, 2014a), Tóth (1994a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

mod 10.viii.2018