Puccinia pulverulenta Gréville, 1824
on Epilobium
Epilobium hirsutum, Broekpolder © Ben van As
the upperside of the leaves is yellowed and puckered
the underside of the leaves is almost homogeneously covered by aecia (also visible on the upper picture)
Epilobium hirsutum, Nieuwendam: uredinia and telium (hypophyllous)
urediniospores and teliospores
the same urediniospore at different sharpness levels, to show the two pores
teliospore
gall
No host plant alternation; all phases hypophyllous. The infestation is systemic, the entire plant is diseased. Aeciospores verruculose, moreover with a small number of coarse, deciduous warts. Uredinia chestnut brown, spores with 2 germination pores. Telia dark brown. Teliospores two-celled, smooth, brown, apex thickened, on short, flaccid, deciduous pedicels.
host plants
Onagraceae, narrowly oligophagous
Chamerion angustifolium; Epilobium alpestre, alsinifolium, anagallidifolium, brachycarpum, ciliatum & subsp. glandulosum, collinum, cupreum, davuricum, dodonaei, fleischeri, hirsutum, hirtigerum, lanceolatum, leptophyllum, minutiflorum, montanum, obscurum, paluste, parviflorum, roseum, tetragonum.
synonyms
Puccinia epilobii-tetragoni Winter, 1881.
references
Bahçecioğlu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Blumer (1946a), Brandenburger (1985a: 413), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Dietrich (2013a, 2016b), Ellis & Ellis (1997a), Erdoğdu, Hüseyin & Suludere (2010a), Gäumann (1959a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Losa España (1942a, 1944a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996b, 1997a), Negrean & Denchev (2000a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Savchenko, Heluta, Wasser & Nevo (2014d), Savchenko, Wasser, Heluta & Nevo (2019a), Scholler, Reinhard & Schubert (1996a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Unamuno (1942a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).