Puccinia cnici Martius, 1817

on Cirsium

Puccinia cnici: uredinia on Cirsium vulgare

Cirsium vulgare, Belgium, prov. Limburg, Zonhoven, Platwijlers © Carina Van Steenwinkel: uredinia

Puccinia cnici: uredinia on Cirsium vulgare

same leaf, underside, equally with uredinia

Puccinia cnici: urediniospores

urediniospores

Puccinia cnici: urediniospore

urediniospore; the pores are recognisable as pale spots

Puccinia cnici: urediniospore

sometimes one manages to get the three pores, with their papilla, in focus

Puccinia cnici: teliospores

Cirsium vulgare, from González Fragoso (1924a): teliospores

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 lower cel near the dividing wall.

hostplants

Asteraceae, narrowly oligophagous

Cirsium boujartii, ciliatum, (eriophorum), ferox, furiens, italicum, richterianum, serrulatum, vulgare & subsp. crinitum; Picnomon acarna.

synonyms

Puccinia cirsii-lanceolati Schröter, 1889.

references

Brandenburger (1972a, 1985a), Doppelbauer & Doppelbaur (1973a), Ellis & Ellis (1997a), Gäumann (1959a), González Fragoso (1924a), Hafellner (1980a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Kruse (2014a) Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse & Jage (2014a), Losa España (1942a), Poelt & Zwetko (1997a), Ruszkiewicz-Michalska (2006a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a); Woods, Stringer, Evans & Chater (2015a).

17/04/2017

pub 25.v.2017 · mod 11.viii.2017