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

mod 16.vii.2017