Puccinia cirsii-eriophori Jacky, 1899
on Cirsium
gall
spermogonia mostly epiphyllous. Aecia generally hypophyllous, solitary, on small yellowed spots; peridium rudimentary, spore mass orange yellow, spores not formed in chains; they are released through a pore. Uredinia and telia amphigenous. Uredinia rust coloured, pulverulent; spores on average > 30 µm, with three pores, each on capped by a low papilla. Telia small, dark brown, pulverulent; spores two-celled, very finely verruculose; germination pore of the top cel apical.
hostplants
Asteraceae, narrowly monophagous
Cirsium eriophorum, erisithales, ferox, leucocephalum.
synonyms
often considered conspecific with P. cnici.
references
Blumer (1946a), Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a).
27/05/2017